单选题 Ford is such a reliable person that you can always______him in time of difficulty.
【正确答案】 B
【答案解析】解析：句意：福德是一个值得信赖的人，身处困境时你总可以指望他。count on依靠，依赖；期望，指望。count in把…算在整体之内。count down倒数到零或到规定的时间。countfor对…有用，对…有价值。