Rats Drink a Saccharin Solution and Then Are Injected with Something

Multiple Choice

Rats drink a saccharin solution and then are injected with something that makes them slightly ill. They learn to avoid the saccharin solution. What is unusual about this type of learning?

A) Rats learn even if the taste and illness are separated by hours.
B) Rats show no sign of learning until the taste-illness pairing has been repeated dozens of times.
C) Rats show no indication of either stimulus generalization or discrimination in this type of learning.
D) Rats forget this type of learning unless they receive daily practice.