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

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It would be both (A) noticed and appreciating (B) if you could finish the work (C) before you leave (D).

A. both  

B. appreciating 

C. the work 

D. leave