First you have to find evidence to what you're gonna say, make sure your grammar is right as well.
Answer:
<em>C) People are more productive when they enjoy their work.</em>
Moses asks God what he should do if the Israelites tell him to get lost. God gives Moses 3 miracles to perform. His staff can now turn into a snake, his hand can turn leprous then be heathy again, and the water from the Nile can turn into blood.