The rare fish, from the cooking pot, has been returned to the sea.
A. saved
B. saving
C. to be saved
D. having saved
网友回答
(答案→)A. saved
B. saving
C. to be saved
D. having saved
解析：考察非谓语动词。根据句子结构可知，该处为定语修饰fish，相当于which were saved,
句意为，这些从餐锅里救出来的稀有鱼类已经被送回大海了。