—Are you still working in that company Mary?—No it is ten months I worked thereA. afte

问题补充：

—Are you still working in that company, Mary?

—No, it is ten months I worked there．

A. after

B. that

C. before

D. since

答案：

A. after

B. that

C. before

(答案→)D. since

解析：考查特殊句型。It is/has been 一段时间 since…自从…以来已经有一段时间了。句意：—玛丽你还在那家公司工作吗？—不，我不在那里工作已经10个月了。