—What do you want to do for vacation?—I my aunt.A. visitB. visitedC. am going to visitD.

问题补充：

—What do you want to do for vacation?—I my aunt.

A. visit

B. visited

C. am going to visit

D. was visiting

答案：

A. visit

B. visited

(答案→)C. am going to visit

D. was visiting

解析：根据问句的内容，可知答语应该用一般将来时态，本题的选项中，只有答案C用be going to do sth，故选C