If a Rat with Its Hair Erect,moves Sideways Towards Another

Multiple Choice

If a rat with its hair erect,moves sideways towards another rat and then pushes against it,the

A) first rat is likely sexually motivated.
B) second rat is likely a female.
C) first rat is likely a female.
D) first rat is likely a dominant male displaying social aggression.
E) second rat is likely dominant to the first.