.

--- It is said that you have given up your job as a secretary. Why?

--- The salary is OK, but I have got ___________ nothing in the office all the time.

A．tired of doing

B．tired with doing

C．tiring to do

D．tiring with doing

关于亚急性血行播散型肺结核正确的是( )

A．病情发展较快
B．病灶多在两肺中、下肺野
C．症状不典型，具有反复性和阶段性特点
D．x线表现大小不等、薪旧不一的病灶，分布均匀
E．由于少量结核菌一次入血引起