答案应当是E.
看一下最后一句：Clearly,however, unless many of them marry women who
are not Prenlandic, all but a minority will remain unmarried.所以可以推断出选E
除了直选法,我们也可以用排除法.
A:Emigration 未提及；B: prefer to remain unmarried,主观,错误 C: more than
a few years older,未提及；D:divorce,未提及