quite many 与 quite a few

问题描述:

quite many 与 quite a few
“Were there many people waiting in line?”
“Yes,I saw _____.”
A.quite much B.quite many C.quite a few D.quite some
请问为什么不能选择quite many

quite many并不是正式英语,是方言,甚至英美人都几乎不用它,正式的说法是quite a few/lot,只说many,而不说quite many.