一Why do children hang stockings over the fireplace for presents?
一As the story goes, to help a poor family, Father Christmas threw a small bag of gold down the chimney and it fell into a stocking that＿up to dry over the fireplace.
A. hung
B. had hung
C. was hanging
D. was hanged
网友回答
A. hung
B. had hung
(答案→)C. was hanging
D. was hanged
解析：句意：为什么孩子把长筒袜挂在壁炉上面放礼物？--正如故事说的，为了帮助穷人，圣诞老人会顺着壁炉扔下一袋金子，它会落在壁炉上面的长筒袜里面。因为是讲述故事里面的事情，从前面的句子：Father Christmas threw a small bag of gold down the chimney and it fell into a stocking可知长筒袜是当时正悬挂在壁炉上方，所以用过去进行时，选C。