Which is the age in which a child laughs less and smiles more i.e. he has learnt to control hisemotions?

Which is the age in which a child laughs less and smiles more i.e. he

1.	Which is the age in which a child laughs less and smiles more i.e. he has learnt to control hisemotions?
A.	babyhood
B.	early childhood
C.	later childhood
D.	adolescence.
Answer» D. adolescence.