I used to earn_____than a pound a week when I first started work.

I used to earn_____than a pound a week when I first started work.
A.a little B.a few C.fewer D.less

这道题答案是D,我选的是C,请问为什么？我就知道表示金钱，距离，重量和时间的词组一般谓语用单数。此题a pound表示金钱【一英镑】那为什么还选D呢？pound这个词前有不定冠词修饰是不是就变成可数名词了？快给俺讲讲吧？谢谢大家了

英语翻译汉语：I used to …… i am used to..什么意思啊? I used to sort of like you I like the house ___ I used to live ____. 翻译i used to when I was young I remember ____ this used to be a quiet village. i used to be here.这句话对么? I'm not used to _like that. I am not used ____ ____ to like that I used to carry the weight of the world.是什么意思？