I believe your answer is D my friend.. good luck! :)
A complete verb includes the main verb and all of the helping verbs. The helping verb in this sentence is "has," and the main verb is "mailed." "Not" is never considered a verb. Therefore, the complete verb is "has mailed"
1. Many
2. Much
3. A lot of
4. Much
5.Many
6.much
7.Any
