题目内容：

If you____,you'd better paint on your own time.This is office time!
A.are painted
B.have painted
C.are going to paint
D.will paint
真心想弄明白这道题,求考点和解题思路

优质解答

C.are going to paint
尚未发生,且伴有意愿,应该用be going to do sth

追问：

D为什么不行？

追答：

will paint表示将要....，不适合句情。条件句的含义是：如果你打算绘画.....