请问这是AD吗？

We are pleased to inform you that we consider you eligible for participation in the above course. We are
therefore willing to provisionally reserve a place for you on this course, pending either your nomination for
a fellowship and the results of the final and competitive selection meeting, or payment of the course fees.

为什么是provisionally reserve a place for me?
求解

- 給你預訂了名額， 交了錢或者獎學金有就生效。