The phrase "warm up to " in the third paragraph can be most likely replaced by______.A．bec

The phrase "warm up to " in the third paragraph can be most likely replaced by______.

A．become warmer and warmer

B．prepare for a game with the robot

C．start to like or be friendly with

D．approach to or come up to

请帮忙给出正确答案和分析，谢谢！