11. A) Fred forgot to call him last night about the camping trip.
B) He is not going to lend his sleeping bag to Fred.
C) He has not seen Fred at the gym for sometime.
D) Fred may have borrowed a sleeping bag from someone else.
答案：
11. D) Fred may have borrowed a sleeping bag from someone else.
原文：
11. W: I forgot to tell you that Fred called last night to borrow your sleeping bag.
M: Oh, I saw him at the gym this morning, but he didn’t say anything. So he must have asked somebody else.
Q: What does the man imply?