Can you copy exactly the sentences written? Because just reading it, it seems to me that they're all incorrect. Sorry, but you should write your question exactly the same. This way I can have an answer for you.
Actually, just looking at it again, maybe B is the sentence capitalized incorrectly.
Answer:
Think about everything you do before you act
Explanation:
Answer:
Yes, but depends on the type of song the singer classifies it to be!
Explanation: