—hello!is that Ms.Smith?—_________ A speaking B yes,I'm Grace Smith C talking D who are you?

问题描述:

—hello!is that Ms.Smith?—_________ A speaking B yes,I'm Grace Smith C talking D who are you?

A speaking
电话用语,如果接电话的人就是打电话的人,就用speaking(请讲)
电话用语:B \D应该用:This is .而 C非常的没有礼貌