--- Excuse me, may I have a doggie bag?

--- ________, Madam. I’ll wrap it up for you.

A．My pleasure

B．Go ahead

C．Come on

D．No problem

以下哪种病易引起肺栓塞

A．脱疽

B．臁疮

C．血栓性静脉炎

D．青蛇毒

E．褥疮