Latané and Werner's (1978)research on the Regulation of Affiliation Tendencies

Latané and Werner's (1978) research on the regulation of affiliation tendencies demonstrated that rats will do which of the following?

A) approach other rats after periods of prolonged contact,but withdraw after long periods of isolation
B) approach other rats after long periods of isolation,but withdraw after periods of prolonged contact
C) approach other rats following long periods of either isolation or contact
D) withdraw from other rats following long periods of either isolation or contact