问题详情：
Hearing the noise outside, Granny asked me .
A．what is happening B．what was happening
C．what it was happening D．what was it happening
【回答】
B
【解析】
考查宾语从句。句意：Granny听见外面的噪音，她问我发生了什么事。此处是what引导的宾语从句，what既引导宾语从句又做宾语从句的主语；根据asked可知句子用过去时态，故*为B。
知识点：过去进行时及其被动式
题型：选择题
