亚急性感染性心内膜炎最常见的致病菌是 A．白色念珠菌 B．白色葡萄球菌 C．草绿色链

A: Hello.
B: Good morning! This is Mary. Is that Lisa?
A: Sorry, she isn't in now. Can I give her a message?
B: Oh, good. Please ask her to call me at 9:00 in the morning.
A: Ok. Does she have your telephone number?
B: No, she doesn't.
A: Please tell me your telephone number.
B: Sure, my telephone number is 56983582.
A: Ok, I'll give her the message.
B: Thank you very much.A: You're welcome.