—Have you got any particular plans for the coming holiday?

—Yes. _______, I'm going to visit some homes for the old in the city.[ ]

A. If ever

B. If busy

C. If anything

D. If possible

下列哪项措施不正确

A．输血

B．注射垂体加压素

C．三腔管压迫止血

D．硬化剂注入曲张静脉

E．行贲门周围血管离断术