The Major Precept of the British Philosophical School of Empiricism

The major precept of the British philosophical school of empiricism was that

A) the "mind" and the "body" are two separate and disconnected entities.
B) human beings are generally good and innately move in positive directions.
C) research is not at all valuable unless there are appropriate statistics to support the conclusions.
D) the mind is a "blank slate" at birth that gets filled with ideas gained by observing the world.