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

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions

If the goal of education is to enhance both individual achievement and social progress, then the "shopping mall colleges" should been replaced with colleges that are true learning communities.

A. to enhance

B. both

C. been

D. that are