答案是B
the other指兩個人或物中的一個時,只能用the other,不能用another,此時的other作代詞.如：
He has two daughters.One is a nurse,the other is a worker.
他有兩個女兒,一個是護士,另一個是工人.
the other后可加單數(shù)名詞,也可加復(fù)數(shù)名詞,此時的other作形容詞.如：
On the other side of the street,there is a tall tree.
在街道的另一邊,有一棵大樹.
Mary is much taller than the other girls.
瑪麗比其他的女孩高得多.
He lives on the other side of the river.
他住在河的對岸.
the others意思是“其他東西,其余的人”.特指某一范圍內(nèi)的“其他的（人或物）”.是the other的復(fù)數(shù)形式.如：
Two boys will go to the zoo,and the others will stay at home.
兩個男孩將去動物園,其余的留在家里.
the others=the other +復(fù)數(shù)名詞