( )are learning phenomena in the following items.
A. See a wise, good man and try to emulate him见贤思齐
B. Quench one's thirst by thinking of plums望梅止渴
C. Spider knots.
D. Turn pale at the mention of a tiger谈虎色变
E. If three of us are walking together, at least one of the other two is good enough to be my teacher.