Which One of the Following Is Implicit in Applying "Economic

Multiple Choice

Which one of the following is implicit in applying "Economic Darwinism"?

A) Because X has been here, X is best, and hence has been replaced by something else.
B) Because X has been here, X is best, but it should be replaced by something else.
C) Because X has been here, X is worst, and it should replaced by something else.
D) Because X has been here, X is best, else it would have been replaced by something else.