【题目】He tried to cope with the burden of his work, but finally he ________ and had to take a complete rest.
A. broke up B. broke away
C. broke off D. broke down
在线课程【答案】D
【解析】考查词义辨析。A. broke up分手；B. broke away脱离；C. broke off折断，突然停止；D. broke down坏了，身体拖垮。句意：他设法应付工作的负担，但最后他的身体垮了，不得不彻底休息。根据语境，故选D。