阅读理解 Joe: Excuse me, Millie. Is this your backpack? Millie: Oh, no. it isn't. Joe: Is this your backpack, Sophie? Sophie: Yes, it is. Thank you. Joe: What's in your backpack? Sophie: A dictionary, a book and a pencil case. Joe: Yes. What's in the pencil case? Sophie: A ruler, an eraser and a pencil. Joe: What color is your pencil case? Sophie: It's blue and red. Joe: But this pencil case is yellow. Sophie: Yellow?  It isn't my pencil case. But this is my backpack. Joe: What a mess(混乱) ! 1. Who found the backpack? A. Joe. B. Millie. C. Sophie. 2. What's in Sophie's backpack? A. A dictionary and a book. B. A book and a pencil case. C. A dictionary, a book and a pencil case. 3. What color is Sophie's pencil case? A. Blue. B. Blue and red. C. Yellow. 4. What's in the pencil case? A. A ruler, an eraser and a pen. B. A pen ,a ruler and an eraser. C. An eraser, a pencil and a ruler. 5. Is the backpack Sophie's? A. No,it isn't. B. Yes,it is. C. We don't know.