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

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

I'm not surprised that Tom is ill. He's been burning the candle at both ends for a long time. It was bound to affect his health sooner or later.

A. overworking

B. extra work

C. over loading

D. playing with fire