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.
The maps, together with a statement (A) asking for (B) approval for the 1 /5000 planning of Thu Thiem New Urban Area, (C) was submitted to the central Government (D) at that time
A. asking
B. approval
C. was
D. at that time
Đáp án C