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 of the action
D、doer of the action
【正确答案】:D
【题目解析】:动词转换成名词的转类词包括:①(心理或感觉)状态 State(of mind or sensation):如doubt为动词,怀疑的状态为名词,want为动词,所需要的东西为名词等。②事件或行动 Event or activity:如search(搜寻的活动),laugh(笑的行为)等。③动作的结果 Result of the action:如catch(捕获物;值得获得的物/人),find(所发现的东西)等。④动作的执行者Doer of the action:如help(帮手),cheat(行骗者,骗子),bore(令人讨厌的人)等。⑤动作所需的工具 Tool or instrument to do the action with:如cover(盖子),wrap(覆盖物,包裹)等。⑥动作的处所 Place of the action:如pass(关口),walk(散步的场地),divide、turn、drive、retreat(休息寓所)、lay-by(保存的地方)等均属此类。