sentence contain and error in Pronouns.
A.To characterize a soldier's dedication and loyalty, they used to say that he died with his boots on.
B.As the plane was boarding, the flight attendants asked whether anyone would be willing to trade their ticket for a flight coupon.
C.Bumper stickers carry a variety of messages, including pronouncements about religious and political issues, declarations of love for selected animals and social groups, and cautionary instructions to other drivers.
D.Apparently, the gentleman who was here a moment ago slipped a pair of trousers off the hanger and into his shopping bag.
Is it B?