Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions.
He refused to sing in front of the large crowd because he was nervous.
"He refused to sing in front of the large crowd because he was nervous." → Chủ ngữ từ chối hát vì anh ấy lo lắng.
Dịch câu trả lời: Anh ấy lo lắng, vì vậy anh ấy đã từ chối hát trước đám đông lớn.