Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.

He did not work hard. He failed the exam.

A. Locating in Thanh Hoa Province, the Citadel of the Ho Dynasty was added to UNESCO's World Heritage List in 2011.

B. Located in Thanh Hoa Province, the Citadel of the Ho Dynasty was added to UNESCO's World Heritage List in 2011.

C. The Citadel of the Ho Dynasty, that is located in Thanh Hoa Province, was added to UNESCO's World Heritage List in 2011. 

D. The Citadel of the Ho Dynasty, locating in Thanh Hoa Province, was added to UNESCO's World Heritage List in 2011.

A. Chosen a destination for our holiday, we began preparing for the trip. 

B. Choosing a destination for our holiday, we began preparing for the trip. 

C. Having chosen a destination for our holiday, we began preparing for the trip. 

D. Having prepared for the trip, we chose a destination for our holiday.

A. Living with his cousin for two months, but he's looking for a place close to his university. 

B. Being lived with his cousin for two months, but he's looking for a place close to his university. 

C. Has lived with his cousin for two months, but he's looking for a place close to his university. 

D. Having been living with his cousin for two months, but he's looking to a place close to his university.

A. Stolen by art thieves, a picture was painted by Munch. 

B. Painted by Munch, a picture was stolen by art thieves.

C. A picture painted by Munch was stolen by art thieves.

D. All are correct.

A. Releasing in 1999, The Matrix stars Keanu Reeves. 

B. Released in 1999, The Matrix stars Keanu Reeves.

C. The Matrix released in 1999 stars Keanu Reeves.

D. Both B and C are correct.

A. Standing in the background, you can see Velazquez in this painting. 

B. You can see Velazquez, who is standing in the background, in this painting.

C. You can see Velazquez standing in the background in this painting. 

D. Both B and C are correct.

A. The Complex of Hue Monuments, laying along the Perfume River in Hue City, is a good example of a well-designed capital city.

B. Laying along the Perfume River in Hue City, the Complex of Hue Monuments is a good example of a well-designed capital city. 

C. Lying along the Perfume River in Hue City, the Complex of Hue Monuments is a good example of a well-designed capital city.

D. Laid along the Perfume River in Hue City, the Complex of Hue Monuments is a good example of a well-designed capital city.