The sentence that contains a predicate adjective is:
B. The teacher appeared angry when Dave forgot his homework.
Predicate Adjective is an adjective that tells something about the subject of the sentence. It appears after a linking verb.
Subject = the teacher
linking verb = appeared
predicate adjective = angry.
Answer: Allusion
Explanation: An allusion is a literary device used to reference another object outside of the work of literature. The object can be a real or fictional person, event, quote, or other work of artistic expression.
You need to remove the colon