---- I’m too nervous to give a talk in front of so many people.

---- __________, Maria. You can do it.

A．Come on

B．With pleasure

C．That’s true

D．You’re right

腹部肿瘤腹腔镜分期的突出优点为（）。

A.诊断、治疗一体化

B.创伤小，痛苦轻

C.可避免不必要的开腹

D.可直观直接地获取诊断依据

E.以上均正确