His plan when it was put into practice because he had not given enough attention to deta

问题补充：

His plan when it was put into practice because he had not given enough attention to details.

A. broke down

B. broke up

C. broke out

D. broke away

答案：

(答案→)A. broke down

B. broke up

C. broke out

D. broke away

解析：句意:因为他没有给出足够重视的这些细节，导致计划在实施过程中失败了。break down失败了； break up打碎； break out爆发； break away脱离。根据句意故选A。