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

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in each of the following questions.
When the protestor entered the meeting clad only in a beach tower, the audience was dumbfounded.

A. speechless

B. excited

C. content

D. applauding