Gino Is 3 Years Old and His Mother Just Gave

Gino is 3 years old and his mother just gave birth to another child.Just recently, Gino has become increasingly aggressive toward the baby and increasingly whiny, demanding, and disobedient.To help the situation, Gino's mother should __________.

A) use positive and negative punishment to condition Gino's negative behaviors
B) explain the feelings and needs of the baby to him
C) separate Gino from the baby for 2 weeks as a means to buffer the negative feelings
D) take Gino to see a child psychologist because his behaviors are extremely rare and disturbing