题目内容
（请给出正确答案）
[主观题]
－－－This is John.－－ ___________A：Oh, I have never seen you.B：Yes, I am glad.C：Hello, Joh
---This is John.
-- ___________
A：Oh, I have never seen you.
B：Yes, I am glad.
C：Hello, John. Nice to meet you.
D：How are you？
答案
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