Upon finding her son missing, the lady was utterly at a loss what to do.
A．partially
B．impartially
C．entirely
D．incidentally

A.
A．partially
B．impartially
C．entirely
D．incidentally


【参考答案】

C
该句意为：发现自己的儿子不见了，这位女士一下子就不知所措了。utter这个词比较麻烦，既是动词(发出某种声音......

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