goo.gle can answer that..................
I believe its a because
Various scriptures in history<span> and science in the era were written by monks. The monasteries also served as a place for the </span>preservation<span> of the </span>knowledge<span> and learning of classical world.</span>
"The laughing boy in the boat likes sailing."
A is the correct answer. This applies to most, if not every, essay.
B implies you should only use one source, something that would, more often than not, hurt your case no matter the subject.
C This answer assumes what you have written in your journal. You are not a valid source, nor do you have every piece of information on hand.
D While teachers can help you pick your topic, it is best to use your own ideas and creativity when writing.