The momen she---------the report tomo5rrow,she will hand it in at once.

A.will finishi writing

B finishied to write

C finishes writing

D has finished written

为什么选A，考点。

答案A不正确，最佳答案是C。the moment引导时间状语从句，主句是将来时，从句就要用一般现在时表示将来。