找考题网-背景图
单项选择题

A.all the ideas new to us are actually oldB.some new id……

It can be inferred from the passage that ______.

A.all the ideas "new" to us are actually old
B.some "new" ideas can make money without having to be commercialized
C.all "new" ideas first appeared in the form of a patent
D.some "new" ideas may not bring economic reward to their originators