A family of five is really a heavy burden, so we all have to work hard to .
A. find out
B. work out
C. help out
D. carry out
网友回答
A. find out
B. work out
(答案→)C. help out
D. carry out
解析：考查动词短语辨析。A发现，查明；B锻炼，计算出，结果是；C帮助摆脱困境；D执行；句意：五口之家真是一个很大的负担，所以我们都需要努力工作来帮助摆脱困境。根据句意说明C正确。