It arranges events in order from first to last........
Answer:
Compound sentence.
Explanation:
The fact that a semi-colon is present (this is usually my sign) and there are two independent clauses shows that this is a compound sentence.
By performing an auto-dissection of his <span>brain
</span>
I'll be honest. I love English, and have not had to do this. Maybe I have and it's just been too long... Anyway, B appears the most accurate answer, because a reference is something you use to aid you in the task you are doing. A dictionary for spelling, a picture reference for drawing something similar. Etc.