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当前学科：光缆线路维护
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光缆接头，必须有一定长度的光纤，一般完成光纤连接后的余留长度（光缆开剥处到接头间的长度）一般为（）厘米。
A . A、50～100
B . B、60～100
C . C、80～120
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Every year just after Christmas the January Sales start．All the shops reduce their pricesand for two weeks，they are full of people looking for bargains．My husband and I do not nor-mally go to the sales as we don’t like crowds and in any case are short of money as we have tobuy lots of Christmas presents． Last year，however，I took my husband with me to the sales at the large shop in the centerof London．We both needed some new clothes and were hoping to find a television set．Whenwe got to station．So I left my husband and started looking around the shops．Unfortunately allthe clothes were in very large sizes and SO were not suitable for me．But I did buy．a televisionat a very cheap price，SO I felt quite pleased with myself． When I arrived at the station，my husband was not there．So I sat down in a nearby cafeto have a cup of tea．I quickly finished my tea when I saw my husband and went out to meethim．He looked very happy．Then I saw he Was carrying a large and heavy cardboard box．“Oh，dear!”I thought．Yes，we had no new clothes but two televisions．We shall not be going to the sales again． 根据以上内容，回答题。In January__________．
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