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.
My sisters will all tell you that when I was in charge I was such a real slave driver.

A. worked excessively hard

B. was slave to work

C. made other people work too hard

D. worked overtime