He learned right off the bat that you can't （ ） anything in this

He learned right off the bat that you can't （ ） anything in this business.
A、count on
B、benefit from
C、stand for
D、stick to
【正确答案】：A
【题目解析】：本题考查动词短语辨析。count on“依靠，依赖”， benefit from“得益于”， stand for“代表”， stick to“坚持”。句意：他很快明白在这一行业中不能依靠任何东西。故选A。