I think the answer is B. As long as the clause after the colon is independent, you can capitalize it.
Answer: A
Explanation: Hope its right
The underlined word <em>and </em>is a conjunction.
Conjunctions are used to connect words and sentences, and in this case, <em>and </em>connects <em>unicyclists and bicyclists. </em>
Answer:
I done know sorry for not answering
I would assume that the answer is magic.