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：
from the cooking pot是修饰the rare fish的,所以应当使用save的被动语态,句子的意思是,被从饭锅里救出来的稀有鱼类已经被放回海里了.