----Doctors, it seems that you like to work with animals.
----Yes, I think animals should as our friends.
A. regard
B. be regarded
C. be regarding
D. are regarded
网友回答
A. regard
(答案→)B. be regarded
C. be regarding
D. are regarded
解析：句意：大夫，好像你喜欢和动物们共事？——是的，我认为动物们应该被当做我们的朋友。结合语境可知动物们是动作的对象，故用被动语态，情态动词should后面动词用原形，故选B。