Listen!Do you hear someone——for help?A:calling B:call C:to call D:called

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Listen!Do you hear someone——for help?A:calling B:call C:to call D:called
Listen!Do you hear someone——for help?
A:calling B:call C:to call D:called

Listen!Do you hear someone——for help?A:calling B:call C:to call D:called
A
hear sb do 听见某人做了某事
hear sb doing听见某人正在做某事,因为前面又listen 一词

A ,听,你听到有人在喊救命吗?
表示让她听的时候人正在喊救命,故用现在进行时

calling...
解释不出来。。。。

A
hear doing