Read the passage and answer the questions A and B.

Adolescents constitute a nation's core resource for national renewal and growth. Adolescence is a period in life when  transition from childhood to adulthood takes place and behaviours and life styles are shaped. According to the World  Health Organisation (WHO), adolescence is the period which shapes the future of girls' and boys' lives. There are 28  million adolescents in Bangladesh; 13.7 million of them are girls and 14.3 million boys. The situation of adolescent girls in Bangladesh is characterized by inequality and subordination within the family and  society. This inequality leads to widespread practice of child marriage, marginalisation or exclusion from health, education and economic opportunities and vulnerability to violence and sexual abusE- In Bangladesh, the legal age of  marriage is 18 for girls and 21 for boys. However, 33 percent of adolescent girls are married off before the age of 15  and 60 percent become mothers by the age of 19. Research finds that adolescents with higher level of education and  from more affluent families tend to marry at a later agE- Boys, however, become ready for marriage only after several  years of adolescence and young adulthood..