Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.
Mary broke up with her boyfriend. She couldn't stand his complaining.
A. Although Mary broke up with her boyfriend, she couldn't stand his complaining.
B. Mary broke up with her boyfriend because she couldn't stand his complaining.
C. Mary broke up with her boyfriend; however, she couldn't stand his complaining
D. Mary broke up with her boyfriend in case she couldn't stand his complaining.
Đáp án B
Dịch: Mary chia tay bạn trai vì cô không thể chịu đựng được lời phàn nàn của anh