It Is Difficult to Prove a Theory Correct Because

Multiple Choice

It is difficult to prove a theory correct because:

A) at the present time our experimental techniques are too crude to provide the ultimate test of a theory.
B) a theory is a general statement and it is a logical fallacy to try to prove a general statement correct.
C) theories usually have mechanisms built into them to prevent them from being proven correct.
D) None of the answers is correct.