As they are retired Mr and Mrs Scott prefer a house in the country to spend their later ye

问题补充：

As they are retired,Mr and Mrs Scott prefer a house in the country to spend their later years toin a large city.

A.it B.that C.one D.which

答案：

解析：prefer...to... 比起……更喜欢;one 表示泛指，指代a house。