The correct option is D.
Ration refers to a fixed amount of a particular commodity which is officially allowed during a time of shortage such as the one experience during war time. A similar word that can be used instead of ration is portion.
You should add it all, just in fragments. For example (this is not relevant in any way, but:)
red capes, keep sun off skin.
Just keep it short and sweet, as long as you understand it who cares.
By describing the one act of freedom a caged bird has
Answer: Dr. Burke wanted to trust her assistant with the secret formula, but she was afraid her assistant was a spy.