Nouns since they dont express something instead describe
Answer:
Choice B : Linking Verb
Explanation:
A linking verb joins two words. Linking verbs are verbs that serve as a connection between a subject and further information about that subject
<span>He believed that they had a moral responsibility to use that wealth to lift up the conditions of everyone else in society. He felt that it was the duty of those of great means to be philanthropic to the point at which they did not have anything of their own at the end of their lifetimes.</span>