The tone which is not effective for convincing people that they should subscribe to your perspective is definitely C) sarcastic. Nobody is going to listen to you if you offend or mock them.
Answer:
Im not sure but have you asked your parents?
Explanation:
They might help
Answer:
I want say B but i don't really know I'm sorry if I'm wrong and I hope I help you
A human
crawls then walk then has a cane