【单选题】

TheBrowns are the Smiths’ neighbours (邻居). Mr.Brown’s name is John.But when his neighbours talk about him , they all call him"Mr. Going-to-do".Do you know why Mr.Brown always says he is going to do something, but he never (从来没有) does it.

Every Saturday Mr.Brown goes to the Smiths’ back door and talks to Mr. Smith. He always says he is going to do something. ’Tm going to clean my house today,"he says, or "I’m going to wash my car tomorrow , "Or "These trees in front of my house are too big. I’m going to cut(割，砍，切) them down next week."
Mr. Smith usually says"Are you serious, John " He knows his neighbour is not going to clean his house, or wash his car, or cut down any trees. Then he says, "Well, excuse me, John. I’m going to do some work in the house."And he does.
Mr. and Mrs. Smith often say to their only childDick, "Are you going to do something Then do it!Don’t be another’ Mr. Going-to-do’!\
Mr. and Mrs. Smith hope their only son ______.
A、will talk a lot
B、won’t be another" Mr. Going-to-do’
C、will do little