A)He hasn't cleaned his room since Linda visited him.
B)Linda is the only person who ever comes to see him.
C)He's been too busy to clean his room.
D)Cleaning is the last thing he wants to do.
原文：
W: Your room is a mess. When was the last time you tidied your room?
M: It was when Linda came over. She is been so helpful that I simply can't do without her.
Q: What does the man mean?