hello,I'm Mary.（ ） A.hi,he is Alan.B.hello,my name's Lily.C.hi,her name is Gina.hello,I'm Mary.（ ）A.hi,he is Alan.B.hello,my name's Lily.C.hi,her name is Gina.D.hello,what's your name?
问题描述：
hello,I'm Mary.（ ） A.hi,he is Alan.B.hello,my name's Lily.C.hi,her name is Gina.
hello,I'm Mary.
（ ）
A.hi,he is Alan.
B.hello,my name's Lily.
C.hi,her name is Gina.
D.hello,what's your name?
答
B 这是两人见面相互打招呼.