未知题型 关于麻风病的组织病理变化的叙述，下列哪几项正确( )

多项选择题 引起麻风反应的诱因可能有哪些（）

单项选择题 听力原文：M: I'd like to make an appointment to see Doctor Smith.W: Ok. Let's see. He's available on Tuesday or Thursday.M: Thursday would be better for me.W: Morning or afternoon?M: In the morning, if possible.W: How does 9:15 sound?M: 9:15 Thursday. That's fine.Who is the man?A．An employee.B．A student.C．A patient.