---____of the population of the city ___ workers?---About 60 percent.

问题描述:

---____of the population of the city ___ workers?---About 60 percent.
A.What; is
B.What; are
C.How much; is
D.How much; are
谢谢vera hao的回答.你的解释很清楚.

我觉得答案是D.原因是:一般情况下,不会有what后接介词of的,而且,如果要用what,就应该加上rate或是percentage一类的名词,所以在C和D里选;因为workers是复数,所以用are.