We have bread.A. run outB. used outC. run out ofD. given out

问题补充：

We have bread.

A. run out

B. used out

C. run out of

D. given out

答案：

A. run out

B. used out

(答案→)C. run out of

D. given out

解析：本题的含义是我们已经用完了面包，run out of表示用完或耗尽的意思，与本题题意相符，故本题选C。