单选题
Never before ______ available for quick and easy access in so many different fields of study.
A、
so much free information were
B、
were so much free information
C、
has so much information been
D、
so much free information has been
【正确答案】
C
【答案解析】
[解析] 考查倒装结构。never置于句首句子须倒装，又句子中有before，应用完成时，故正确选项为C。
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