-I'm going to listen to a concert tonight. Would you like to come,Peter?-( )A That's all right B Good idea C Thank you

-I'm going to listen to a concert tonight. Would you like to come,Peter?-( )A That's all right B Good idea C Thank you
-I'm going to listen to a concert tonight. Would you like to come,Peter?
-( )
A That's all right B Good idea C Thank you

-I'm going to listen to a concert tonight. Would you like to come,Peter?-( )A That's all right B Good idea C Thank you
B.
That's all right是别人道歉或者道谢后的回答

一定是B，这是个好主意。

A
意思是好吧，没问题