Never before ___________in greater need of technical experts than it is today.
A．has Shenyang beenB．Shenyang has been
C．was ShenyangD．Shenyang was

A

句意：沈陽以前從來沒有像今天這樣急需技術(shù)專家�？疾閚ever表否定時，位于句首,引起部分倒裝的結(jié)構(gòu)。
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