In which of the following sentences is the writing skill "contrast" adopted?
A.
He explains that all behaviors are attempts to meet one or more of the five basic needs.
B.
Choice Theory is used in our schools to teach students why they behave as they do.
C.
If we think that we have any chances at all to move beyond bare survival, we are almost all ambitious.
D.
To be prepared for war is one of the most effectual means of preserving peace.