高手来帮忙呀Now the girl is quite ____ to her mother. Thank you for giving me so _____ help.

题目

高手来帮忙呀Now the girl is quite ____ to her mother. Thank you for giving me so _____ help.
答案：
A help;many B a help ; many C a help; much D help; much
请帮忙回答,选哪一个,为什么呢?
越详细越好!
谢谢!
我选D, 答案是C
不知道为什么，请说明

答案

help
KK:[]
DJ:[]
vt.
1.帮助[(+with)][O2][O3]
Could you help me up with this suitcase?
你帮我把这箱子搬到楼上好吗?
2.援助;助长,促进[O2][O3]
Foreign investments help our economic development.
外国投资有助于我们的经济发展.
3.补救;治疗
What have you got that will help a cold?
你有什么药能治感冒?
4.(与can,could连用)避免,阻止[+v-ing]
She could not help laughing.
她忍不住要笑.
5.(将食物等)分给;取用(食物等)[(+to)]
Michael got up and helped himself to more brandy.
迈克尔站起身来,又倒了一些白兰地.
Can I help you to some more vegetables?
你再吃些蔬菜好吗?
vi.
1.帮助;有用[(+with/for)]
Your sympathy helps a lot.
你的同情帮助很大.
2.(在饭桌旁)招待,服务
n.
1.帮助[U]
Can I be of any help to you?
我能帮忙吗?
2.有助益的东西;有帮助的人[C][(+to)]
The tour guide has been a great help.
导游帮了大忙.
3.帮手,助手
She is quite a help to her mother.
她是她妈妈的得力助手.
4.【美】佣工[C]
She has a help in twice a week.
她雇了一个女佣,一周来做两次.
5.【美】全体雇工(或佣人)[G]
The help are demanding higher wages.
雇工们要求增加工钱.
6.救济法;逃路[U]
The thing is done,and there is no help for it.
事情已经发生了,没有办法补救.
由上述由权威词典Webster的词义可知,help作为名词的时候有两种用法,第一个用法是不可数名词,所以二空是much,而作为帮手这个意思的时候,则是个可数名词.
不知道这个回答如何,能够明白吗?