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问题详情

下面______是合法变量名。

A、k-string

B、string

C、k string

D、k_string

时间：2021-09-02 00:37 关键词：青书学堂西安石油大学西南石油大学化学工程与工艺 VB语言程序设计

答案解析

D

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