I think it would be D. Nervous, because he is thinking negatively about sleep.
Answer:
Why do we must always say what rules?
The sentence above is grammatically correct, and uses all the words that are listed in teh question.
"Why" is the interrogative pronoun, and it is always the first word in the sentence.
The answer should be D.
It makes more sense to me.
B. Sounds wordy to me
C. Is a bit eh and sounds too much
D. Is simple and perfect
Therefore the answer is D. losing all moisture and drying out.
Answer:
They ask the priest to sprinkle holy water on the grave so the old man's spirit
will make it rain.
Natural selection is the process by which favorable traits are passed down through different generations of a species in order to adapt and likely survive within the changing environment.