Mr ,Smith has four sisters,one is in London ,but ( ) are in Liverpool.A the other ones B the others .请问选哪个?为什么?

Mr ,Smith has four sisters,one is in London ,but ( ) are in Liverpool.A the other ones B the others .请问选哪个?为什么?
Mr ,Smith has four sisters,
one is in London ,but ( ) are in Liverpool.A the other ones B the others .请问选哪个?为什么?

Mr ,Smith has four sisters,one is in London ,but ( ) are in Liverpool.A the other ones B the others .请问选哪个?为什么?
B 没见过A这种形式.当有一个大的总和（>2）时,除了说明的,剩下的叫the others