Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. 31. Vietnam exports a lot of rice is grown mainly in the south of the

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

Vietnam exports a lot of rice is grown mainly in the south  of the country.

                     A                       B                          C                   D