Mark the letter A,...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions from 3 to 4.

A. The history of the United States is too long to be interesting

B. The history of the United States is not long enough to be interesting

C. The history of the United States is interesting whereas not long

D. The history of the United States is not long but interesting