It took my father over ten hours to fly to London - Wow,______ way it is!

问题描述:

It took my father over ten hours to fly to London - Wow,______ way it is!
A.what long B.how long C.what a long D.how a long

C
way 是可数的单数名词,要用a作定语的.或写为:How long the way is!也正确