The old gentleman is considering he will move to New York with his daughter and son-in-law

问题补充：

The old gentleman is considering he will move to New York with his daughter and son-in-law or live alone at home.

A. when

B. how

C. what

D. whether

答案：

A. when

B. how

C. what

(答案→)D. whether

解析：考查从句连词的选择。根据句子结构可知，此处为宾语从句。根据句意可知此处意为是否会搬回纽约。

句意为那个老先生正在考虑他是否要搬回纽约和他的女儿女婿一起住，还是一个人在家单独住。