Work Step by Step
A., B., and D. are all parts of defense responses, just not the hypersensitive response, which involves deliberate killing of a plant's own cells to isolate a pathogen/prevent its further spread.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.