Puberty
period is the period in which the child would undergo before being an adult.
During this period a child is starting to feel changes from his physically,
mentally and emotionally. This is where the girl started to have menstruation
and enlargement of boobs. Boys are starting to grow Adams apple and a change in
the voice pitch. Pubic hairs and armpit hairs also start to grow. Emotionally, child
starts to feel likes and crush to someone. And mentally a child started to
change his/her perspective in life.<span>
when working out you want to make sure you can meet the task at hand. go little by little until you are able to meet your goal. so to start i would rule out D.