In strict truth an invention is almost never the sole product of any one mind.

In strict truth an invention is almost never the sole product of any one mind.

A.It is clear that too many people are involved in an invention.

B.Strictly speaking, an invention never comes from a single person.

C.The truth is that an invention needs almost everyone's participation.

D.It is true that no man s achievement can be regarded as an invention.

正确答案是B