—Jack is always plaining about not having any money．
—The problem is that he doesn't work hard and never ．
A. does
B. had
C. did
D. has
网友回答
A. does
B. had
C. did
(答案→)D. has
解析：考查省略句。本题has后面省略了名词money。因为前有有了is是现在时，那么不会使用过去时。句意：—Jack总是抱怨没有钱。—问题在于他不努力工作，当然总是没有钱了。