Answer:
You're supposed to give an opinionated answer. We may not have the same opinions as you. Also, we don't know what countries you have been studying.
Explanation:
It's A Motif
Motif and Symbol. Sometimes, examples of motif are mistakenly identified as examples of symbols. Symbols are images, ideas, sounds, or words that represent something else, and help to understand an idea or a thing.
They are usually used in combination. Desensitization provides a means of safely exposing the pet to the stimulus at a level at or below which fear is likely to be exhibited. Counter-conditioning is used to change the pet’s attitude or emotional response to a stimulus. Response substitution is a technique in which the pet is taught, using reinforcement-based techniques, to replace the undesirable behavior with one that is desirable.
Im pretty sure that it's D because A and B are definitely not the answers.