—Do you plan to take a vacation this month?—Yes we to Hainan and there for five days.A.

问题补充：

—Do you plan to take a vacation this month?

—Yes, we to Hainan and there for five days.

A. go, stay

B. going, staying

C. are going, stay

D. are going, staying

答案：

A. go, stay

B. going, staying

C. are going, stay

(答案→)D. are going, staying

解析：根据问句的内容，可知下文说的是，要去什么地方度假或做什么，因此要用一般将来时，因而将AB排除，而and又连接两个并列成分，故选答案为D