--I haven't heard from Jane for a long time .-----What ____ to her?A was happening B has happened

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--I haven't heard from Jane for a long time .-----What ____ to her?A was happening B has happened

选B.根据语法现象:问题的语法是一般现在时,同理回答的应当也是一般现在时.

Bhappen是不及物动词没有被动语态和进行时态