He hadn’t _______ quite what was wrong with .his mother. He knew, though, that s

游客2024-05-28  19

问题 He hadn’t _______ quite what was wrong with .his mother. He knew, though, that she hadn’t been well for some time now.

选项 A、worked off
B、worked on
C、worked out
D、worked at

答案 C

解析 选项C。work out意为“想出,搞清楚”,符合句意。其他选项意思是:A. work off消除,去除,减轻;B.work on从事于,致力于;与D.work at意义相近,均不符合句意。句意为:他还不很清楚他母亲到底怎么了,尽管他知道她身体不大舒服已有些时候了。
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