34. Person A: "I've completed the form. Here it is."Person B: "Let me check it over. Oh, you forgot to sign it. Could you please sign your name here?"Person A: "Oh, I'm sorry about that. Let me do that now."Person B: " ______" (A)No problem, take your time. (B)That’s very kind of you to say so. (C)That’s just a piece of cake. (D)That means nothing to me.