Philosopher of Science Abraham Kaplan Said That

Philosopher of science Abraham Kaplan said that:

A) theories predict that a specific type of communication triggers a particular response.
B) theory is a way of making sense out of a disturbing situation.
C) if there is no way to prove a theory false, then any claim that it's true is hollow.
D) the scope of a theory's application and its practical utility are inversely proportional.