Electronic computers,______many advantages, cannot carry out creative work or re

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问题 Electronic computers,______many advantages, cannot carry out creative work or replace man.

选项 A、though having had
B、which have
C、even if having
D、over which have

答案 B

解析本题考查非限定性定语从句。关系代词which指代先行词electronic computers，在本句中有让步的含义。选项A表示让步之意时，通常放在句子的开头。

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