OG11-2 语法一题请教

2.However much United States voters may agree that there is waste in government and that the government as a whole spends beyond its means，it is difficult to find broad support for a movement toward a minimal state．

(A)  However much United States voters may agree that

(B)  Despite the agreement among United States voters to the fact

(C)  Although United States voters agree

(D)  Even though United States voters may agree

(E)There is agreement among United States voters that

答案似乎只能选A，但A中的much是怎么回事呢？修饰voters? 复数名词吗？

请帮忙看看，谢谢！