单选题 We have done all we could and now our cherished project is at the mercy of our new CEO.

A、 under the guidance of
B、 in the power of
C、 with the guidance of
D、 on the agenda of

【正确答案】 B

【答案解析】at the mercy of受……支配，常用词组；in the power of与at the mercy of表达的含义相同；under the guidance of在……的指导下，介词词组；with the guidance of在……的指导下，作伴随状语表原因；on the agenda of在……的日程上。