问题
选择题
He tried to deal with the increasing burden of his work, but he finally ______ and had to take a complete rest.
[ ]
A. broke off
B. broke away
C. broke out
D broke down
答案
答案：D
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He tried to deal with the increasing burden of his work, but he finally ______ and had to take a complete rest.
[ ]
A. broke off
B. broke away
C. broke out
D broke down
答案：D