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

问题补充：

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

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

A. before; when

B. until; that

C. that; when

D. since; that

答案：

A. before; when

B. until; that

C. that; when

(答案→)D. since; that

解析：考查强调句型和特殊句式。第一句是对“it be一段时间since…”自从…以来有多久了。这个句型的提问。第二空中的that与前面的it is构成强调句型。句意：你开始羽毛球训练多久了？—直到去年12月份我的经济情况好转我才开始训练。故D正确。