He tried to deal with the ever-increasing burden of his work,but finally and had
to take a plete rest.
A. broke away
B. broke up
C. broke down
D. broke out
网友回答
A. broke away
B. broke up
C. broke down
D. broke out
解析： 考查动词词组辨析。break away脱离，摆脱；break up解散；打破；break down打破；精神不支，精神垮掉；break out爆发。根据题意可知，C项正确，即最后他支持不住了。