Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions from 17 to 18.

Put the sentences (a-c) in the correct order, then fill in the blank to make a logical text.
Upgrating to a new laptop improved my productivity. I noticed how ________.

a. The faster processor and increased memory allowed for smoother multitasking.

b. Initially, I struggled to transfer all my files and set up the new system.

c. The new laptop's sleek design and porability made it much easier to work from anywhere.