【单选题】 Criticism and self-criticism is necessary ______ it helps us to find and correct our mistakes.
A.by that
B.at that
C.on that
D.in that
网考网参考答案:D
网考网解析:
[解析] 空格后为主谓结构的句子,且成分齐全,由各选择项观之,应为介词带宾语从句结构,连词为that,由此判定D项正确。由that引导的介词宾语只能跟in,but,except, besides等少数介词连用,in that意为“因为”。
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