Speaker A: The box looks very heavy. Would you like me to carry it for you？ Speaker B: ___

Speaker A: The box looks very heavy. Would you like me to carry it for you？ Speaker B: ______

A．No, no. Thank you. The box is not very heavy and I can carry it myself.

B．Thank you for your help. This box is really very heavy.

C．Thank you, thank you. I"m glad that you can help me.

D．Oh, no. I can manage. Thanks anyway.

请帮忙给出正确答案和分析，谢谢！