—How long is it since you picked up your badminton training? —It was not until my finance

问题补充：

—How long is it since you picked up your badminton training?

—It was not until my finance became better last December I started the training.

A. when

B. before

C. where

D. that

答案：

A. when

B. before

C. where

(答案→)D. that

解析： D本题考查强调句。句意：“你开始羽毛球训练有多长时间了？”“直到去年12月份我的经济有所好转时我才开始训练。”答语是强调句，应用that引导。