C. is definitely the right answer
If a politician tells you that "everybody is joining his team", then this is called a Bandwagon Propaganda. Bandwagon is a persuasive technique of propaganda, wherein others are encouraged to do the same act as what others do because the majority of the people agreed in joining them. An example of a Bandwagon technique is, "Most of the people are voting for this candidate. We should vote for him too."
If I had time, I would go shopping with you.
Honestly I would choose A.
