Mark letter A, B, C, or D on you...

Câu hỏi: Mark letter A, B, C, or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlined word(s) in each of the following questions.
We strongly believe that he's innocent of the crime. We do not think that he did it.

A. crimeless

B. skillful

C. clean

D. guilty