In the sentence “John was asked to get into the office after a two-hour wait”, “wait” is considered an example of the word-formation process using （）.

In the sentence “John was asked to get into the office after a two-hour wait”, “wait” is considered an example of the word-formation process using （）.
A.compounding
B.derivation
C.conversion
D.acronym
正确答案：C