I. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

China’s child labour is a huge problem, and there is (1) _________ evidence that it is increasing in China. Although there is no official figure on the number of children working in China, it is (2) __________ by many that of the 10 million children out of school, over 5 million are working in factories. It was reported in Sichuan, China’s most (3) __________ province, that 85% of children who drop out of school are working elsewhere. Even in some less populated (4)__________ provinces, over 20% of the work force is made up of children. Also, in the last few years, the rate of children kidnapped has increased rapidly. It is believed that the children kidnapped are sold off to factories to work. For example, in 1994, about 48 Chinese brick-shop-workers kidnapped over 100 children. It is known that forty of those children were forced to work 10 hours a day, but with no (5) __________. China’s child labour cannot be overlooked.