In Act 3, what does Walter mean when he says he is "going to put on a show" for Mr. Lindner?

A. He want to make it clear how wrong Lindner was

B. He is going to make Lindner apologize to Mama

C. He wants to show Linder that his family is no different than those in Clybourne Park

D. He's going to make a deal wirh Lindner