Answer:
"often considered witty"
Explanation:
A subject complement is a word that describes the subject of a sentence that follows immediately after a linking verb. Like the name suggests, it complements the subject. It can either be a noun, adjective or pronoun.
Therefore, the subject complement from the sentence "Bret Hartes' poems and prose were often considered witty" is "often considered witty".
The answer is B
Hope this help
The best way to do so is by stating your claim, and use evidence to support it. If there is no evidence to support your claim, it is simply just an opinion and people will have no reason to think you are right.
Hope this helped, have a good day :)
A state of being. A verb would be: Still or Quiet