Discharged in this sentence means to perform a throwing action over the heads of the people.
Assertive people would have all of these attributed except having respect for others - C.
Although even this answer perhaps couldn't be considered true because assertive people can have a positive attitude and respect towards other people it's just that in their case they respect themselves more and have a more positive view of themselves as well.
Answer: D. Increase fluid intake accordingly
Explanation:
The high fiber diet will cause more absorption of water. Thus the body will require more water and the tendency for drinking more water will enhance in the body. This is necessary for solubilization of the fibers and digestion so that these can be excreted out from the body smoothly with other food components. Otherwise, if one do not drink water then conditions of gas and constipation will develop.
He should lighten up his exercise just a bit to ensure he is not overloading his heart.