问题
Mark, I failed in the exam again, I’m so upset.–Don’t worry, I think the first thing ______ is ______ your weak points.
A:to do, find out
B:being done, to find out
C:to do, to hold out
D:being done, hold out
B:being done, to find out
C:to do, to hold out
D:being done, hold out
正确答案是：
