The four main purposes for writing is to Inform, Entertain, Persuade, and Convince. I would say C though it could be B
A. Because the source would have a wide spectrum of information and would lead you to other sources for more specific information.
1. If it's so easy, why didn't you answer it yourself?
2. The answer is C. Haiku. Haiku is a type of poem that consists of 17 syllables in intervals of 5:7:5. Meaning, there are 3 lines in Haiku and in the first line there are 5 syllables, in the second line there are 7, and in the third, there are 5 once again. (respectively)