It would be D. because tapeworms tend to live in animals so if they are not cooked all the way it is possible for a human to get them.
Physical activity should be a balance. It is important to have a mix of moderate, low, and vigorous activity! From walking to yoga to crossfit it is important to keep a balance.
They are there because people believe they are from not enough sleep but some people get them from genes. Genes are things you get from your parents.
Hope this helps!!