Aron water five days later.A. ran outB. used outC. ran out ofD. used out of

问题补充：

Aron water five days later.

A. ran out

B. used out

C. ran out of

D. used out of

答案：

A. ran out

B. used out

(答案→)C. ran out of

D. used out of

解析：句意：Aron五天后用光了水。主语是物，用光用ran out,主语是人，用光用ran out of ,根据句意，故选C。