Mark the letter A, B, C or D on your...

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

A. Most students was struggling with exams while he was enjoying the fresh air on the beach.

B. While most students was struggling with exams, he was enjoying the fresh air on the beach.

C. Most students was struggling with exams; meanwhile, he was enjoying the fresh air on the beach.

D. All are correct.