4.
B
1.Youre a baby until you are 2 years old.
2.Youre toddler from the age of 2 to 5
3.I think youre a child until you are 13 years old
4.Youre a teenager from the age of 13 to 18
5.I think you become an adult when you are 19 years old
6.In my country, you become a pensioner when you are 60 years old.
Լևոն Ենգիբարյան 