Answer:
D. We selected Ellen as manager for several reasons.
Explanation:
This is the best choice to introduce a paragraph because it gives new information, so it introduces it. This is the fact that the speaker , along with other people, are informing the listeners about their selection of a new manager. Then, the speaker , on behalf of a group, goes on to tell he / she will give the reasons for having chosen that manager. So, the reasons will be enumerated and developed in the body of the paragraph.
