Nouns like help, cheat are converted from verbs of the same form

Nouns like help, cheat are converted from verbs of the same form, indicating ______.
A、state of mind
B、event or activity
C、result ofthe action
D、doer ofthe action
【正确答案】：D
【题目解析】：动词转换成名词，意思上有以下几种情况：state of mind or sensation, event or activity, result of the action, doer of the action, tool or instrument to do the action with, place of the action。这道题中所提及的两个词属于doer of the action，所以D选项为答案。见课本57-58页。