Do you think most of the people in Beijing can talk with for

Do you think most of the people in Beijing can talk with foreigners in English
Yes ,I think so .____ the young ____ the old are learning to speak English .
A.Either ,or B.Neither ,nor C.Between ,and D.Not only ,but also
为什么选D,not only 　but also不是就近原则吗?谓语动词是are