— Did the boy see _____ tigers in the zoo?

— Yes, he saw _____. [ ]

A. some; some

B. any; some

C. some; any

气管插管可以引起除下列那种之外的各种反射

A、咳嗽反射 

B、吞咽反射 

C、呕吐反射 

D、膝健反射