I think its D because when you exercise, you usually try to lose weight or maintain it and not gain weight
No one can study with an empty stomach. You need at least fulfil their food needs or every man capable of working will be sent to the field. If the government can erase poverty, the citizen can start to look at other than fulfilling basic life needs like education.
Enough food is also needed for brain development. Poverty in neonates and child can cause impaired intelligence later in their life.
Well,Setting a specific timeframe helps increase chances of the goal being met by Having a Specific time for that goal to be met,which leads to doing whatever the goal is by devoting time to that goal
