问题补充：
I’m sorry my memory has , for the prices of the things have gone up.
A. run out
B. run out of
C. been run out
D. been run out of
答案：
(答案→)A. run out
B. run out of
C. been run out
D. been run out of
解析：考查短语用法。句意“对不起我的钱已经用完了，因为物价已经上涨了。”run out是不及物动词短语，后不加宾语时不需要加of；排除B、D；run out不用于被动语态，排除C。故选A。
