______ it was completed on time.A．Difficult as the task wasB．Difficult as was the taskC．A
已帮助 人
______, it was completed on time.
A．Difficult as the task was
B．Difficult as was the task
C．As the task was difficult
D．As was the task difficult
请帮忙给出正确答案和分析，谢谢！
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正确答案：A
倒装题。as引导让步状语从句时，意为“尽管，虽然”，常可将作表语或状语的形容词、名词、副词以及情态动词或助动词之后的动词原形提到句首，形成倒装结构，故答案为[A]。选项[B]和[D]的倒装语序不对；选项[C]并非倒装结构。