When first ________ to the market, the computer software . was not a success due
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When first ________ to the market, the computer software . was not a success due to its complexity in operation. A.introducing | B.being introduced | C.introduced | D.to be introduced |
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答案
C |
解析
考查非谓语动词。Introduce与the computer software为为动宾关系故用过去分词作状语。句意:电脑软件初次引进市场是由于操作复杂没有成功。 |
举一反三
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