It was not until last year he got in touch with his father in Canada.A. where B. what C.

问题补充：

It was not until last year he got in touch with his father in Canada.

A. where

B. what

C. how

D. that

答案：

A. where

B. what

C. how

(答案→)D. that

解析：考查强调句：It was not until…that…，句意是：直到去年他才和加拿大的父亲取得联系。选D。