[题目]Since its start, WeChat into the most popular messaging communication service in China.A. has developed B. developedC. develops D. was developing 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】Since its start, WeChat ______into the most popular messaging communication service in China.

A. has developed B. developed

C. develops D. was developing

【答案】A

【解析】

试题分析：考查时态。本句的时间状语是since its start，自从它开始以来，“since结构”在句中作时间状语，主句通常使用现在完成时，故A正确。

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