86.All ______C_（D）__is a continuous supply of the basic necessities of life.A.what is needed B.for our needsC.the thing needed D.that is needed为什么A C 不能用?
问题描述：
86.All ______C_（D）__is a continuous supply of the basic necessities of life.
A.what is needed B.for our needs
C.the thing needed D.that is needed
为什么A C 不能用?
答
What引导的是完整的从句,同理C中的all与the thing重复了,