C. A Persian government official who spends a great deal of time focusing on whether his actions have been good or evil
D because you can use all of those things to help you in life and with your lifestyle.
Probably their amazing sculptures.
A "bad Nile" is a lack of water or too much water, so possible consequences include:
Famine (from crops dying)
Destruction of property (from flood waters)
and much more. However, this type of question normally references something in the text, so I suggest checking that section to see if a specific example was ever given.