AWhen Marconi demonstrated his Bwireless telegraph, he Cwas thinking not about b

游客2024-01-02  19

问题 AWhen Marconi demonstrated his Bwireless telegraph, he Cwas thinking not about broadcasting Dbut thought about rapid communication.

选项 A、 
B、 
C、 
D、 

答案 D

解析 But thought disrupts parallelism. The paired expression not...but joins two prepositional phrases: about broadcasting and about rapid communication. Correction: omit thought.
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