【正确答案】 B

【答案解析】句意：他们都中一样的白色装束。alike: adj. 相似的；相同的 The 2 sisters are very alike. 两姐妹非常相像。unlike adj. 不像…的；不同干…的：She is unlike her mother; she is tall and her mother is very short. 她不像她妈妈；她很高，而她妈妈很矮。likely adj. (-lier, -liest)(1)可能的：The train is likely to be late. 这趟火车很可能晚点。(2)有希望的：a likely plan有成功可能的计划。She is the most likely girl to win the prize. 她是最有希望得奖的女孩。