Reni : Good morning, Rani. What are you doing?
Rani : Morning, I am cleaning the whiteboard. Today is my turn to clean it.
Reni : Can I clean the whiteboard for you?
Rani : No, __________________________________

A. thank you, I can handle it by myself.

B. I’d love to, I’m really grateful.

C. I couldn’t do it alone, believe me.

D. you can do it if you don’t mind.

E. it will help me much, thank you.