who is that和who's thishello.____?hello.this is mary speakingA who are you b who is thisc who's that d are you maryB和C选那个啊?我选的是B不晓得对不~
问题描述：
who is that和who's this
hello.____?
hello.this is mary speaking
A who are you b who is this
c who's that d are you mary
B和C选那个啊?
我选的是B不晓得对不~
答
b who is this
电话里面问对方是谁就是这样问
答
C 电话用语和一般的不一样
要用that指对方
和this相呼应
答
选择C
who’s that？
是电话的专用语，意思是“哪位？”
或者有人敲门阿，或者听到旁边有什么动静阿，也可以这样问。
答
选C 这是一道电话题，就像是门外有人敲门，里面的人就可以这样问。固定用法。
答
我是美国人
我同意
emilyxuxu's
答案
（“b who is this
电话里面问对方是谁就是这样问”）
答
who is that speaking?
此处省略了 speaking。电话这头我叫this 那头叫that 打电话的常用语
答
B,看他的回答就可以了