题目内容
（请给出正确答案）
[主观题]
听力原文：W: Jack, I'm having difficulty with all the theoretical stuff we're getting in ou
r computer course.
M: Oh, that part I understand. What I can't figure out is how to make it work on my program.
Q: What is Jack's problem？
(13)
A．He doesn't understand his staff.
B．His computer doesn't work properly.
C．He doesn' t know how to apply computer theory.
D．He is unable to add the figures.
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