I need to go back home before I money.A. is running out B. run out C. have run out ofD. i

问题补充：

I need to go back home before I money.

A. is running out

B. run out

C. have run out of

D. is running out of

答案：

A. is running out

B. run out

C. have run out of

(答案→)D. is running out of

解析：本题考查时态。run out用完、耗尽，为不及物动词词组，要及物必须加of。根据句意可知是钱要用光了，故用现在进行时表示将来时态。故选D。