Question: Write a multi-choice question for the following article: Article: Canada geese are large blue and white birds .When autumn arrives ,they have to fly south where the weather is warmer .The winters are so cold in Canada that the birds will die if they stay there . Last spring ,Bill Lishman found sixteen young Canada geese on his farm "They had lost their parents , "Bill thought . "These young birds won't know what to do in the autumn . Bill had a small plane and he decided to teach the birds to follow him .All through the summer ,he went on short trips in his plane and the young geese flew after him ." When the cold weather arrived in autumn ,Bill flew to Virginia in the United States ,600 miles south from his home in Canada .The geese follwed him all the way .Bill flew to Virginia and returned home . This spring ,Bill was waiting for the birds to come back .They didn't arrive ,so Bill flew to Virginia to get them .He looked for them for two weeks but he couldn't find them . When he arrived back home ,Bill found the geese waiting for him .Then had found the way home without him !
Answer:
Question: The birds returned to Bill's home _ .Options:A in Bill's planeB by themselvesC in the winterD in the autumnAnswer:B