—You bought the car about ten years ago?—Yes.it’s old it still runs well.A. BecauseB. S

问题补充：

—You bought the car about ten years ago?

—Yes.it’s old, it still runs well.

A. Because

B. Since

C. Although

D. But

答案：

A. Because

B. Since

C. Although

D. But

解析： 词义辨析。Because因为；Since由于；Although尽管；.But但是。句意：你十年前买的这辆车？是的。尽管它旧了，它跑起来仍然很好。所以选C。