什么是呼出业务？请列举额呼出业务的种类。

A. 正确
B. 错误

A. 肺脓肿
B. 支气管哮喘
C. 大叶性肺炎
D. 慢性支气管炎
E. 慢性咽炎

A. Oh, I have never seen you.
B. Yes, I am glad.
C. Hello, John. Nice to meet you.
D. How are you?