题干
— Nice to meet you.
—
A：Thank you.
B：How do you do?
C：Nice to meet you, too.
D：The same to you.
答案(点此获取答案解析）
C
— Nice to meet you.
—
A：Thank you.
B：How do you do?
C：Nice to meet you, too.
D：The same to you.
表示的有机物共有（不考虑立体结构）（ ）