－Daniel, did you see The Lion King last night?

－No. I _______ to watch TV on school nights.

A．don’t allow

B．am not allowed

C．didn’t know

D．not allowed

检查上肢静脉错误的是

A．较表浅的小静脉加压后更易显示

B．取仰卧，上肢外展

C．可用5～10MHz探头

D．锁骨下静脉应从锁骨上、下径路探测

E．沿肱二头肌追踪观察贵要静脉