入肘中，下臂，行两筋之间，入掌中，循中指，出其端的经脉是()

A.手少阴心经

B.手太阴肺经

C.手厥阴心包经

D.手少阳三焦经

E.手太阳小肠经

--- Do you have any idea why the bus – drivers are on strike?

--- As far as I know, they are ____a pay rise.

A．calling off

B．calling at

C．calling in

D．calling for