Answer – B. an autoimmune disorder.
An autoimmune disorder is a situation in which your immune system by mistake attacks your body. The immune system usually safeguards against germs like bacteria and viruses. When it notices these foreign invaders, fighter cells are sent out to attack them. It sends out an army of fighter cells to attack them.
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I would say that because being a teen parent, you still havent finished education (probably) and would not be able to get a good wage job; not to forget taking care of a baby is expensive.