Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.    

The man ________  over there is my boyfriend. 

• A. A. sit
• B. B. sitting
• C. C. sat
• D. D. is sitting

Rút ngắn mệnh đề. "The man (who is) sitting over there is my boyfriend."