On the bank of the river we found him on a bench with his eyes on a kite in the sky. A.

问题补充：

On the bank of the river, we found him on a bench, with his eyes on a kite in the sky.

A. seated; fixing

B. sitting; fixing

C. seated; being fixed

D. sitting; fixed

答案：

A. seated; fixing

B. sitting; fixing

C. seated; being fixed

(答案→)D. sitting; fixed

解析：句意：在河岸上，我们发现他坐在凳子上，眼睛看着天空的风筝。第一空用 seated 或 sitting 作宾补，第二空处是 with 的复合结构，由 fix one‘s eyes on sth 可知应用过去分词 fixed。选D。