We had just covered a distance of three miles _____ the engine of the car _____.[ ]

A. then; was broken

B. when; broke down

C. until; was failed

D. since; burst out

根据十二经脉流注次序，心包经下交的经脉是（）。

A.手少阳三焦经

B.手少阴心经

C.足厥阴肝经

D.足少阳胆经

E.足少阴肾经