He wants to see changes in the company and I am sure he will

A.on time 准时will you arrive on time?
B.at a time .每次;一次Take three pills at a time.
C.at one time 曾经at one time they fell in love with each other
D.in time及时we hurried to classroom in time
最终she got that prize in time after three years' hard work
应该是D
再问： 题目的句子的意思是什么我都不知道，麻烦了
再答： 他想看到公司的变化，我确定他最终会看到