Sitting under the willow trees an old man.A. isB. areC. is thereD. are there

问题补充：

Sitting under the willow trees an old man.

A. is

B. are

C. is there

D. are there

答案：

(答案→)A. is

B. are

C. is there

D. are there

解析：句意：一位老人坐在柳树下。此处是倒装句，an old man是真正的主语，所以应该用is，选A。