I believe the answer is A
Answer:
Strong content knowledge of history
Explanation:
Event planners don't need to know history - it doesn't have much to do with events.
Nucleic acids serve as genetic coding since some examples are DNA and RNA
Situational irony results when things happen in precisely the way we didn't expect them to.
The issue of Phillip's vision causes some situational irony: the only time he literally sees Timothy clearly is when he fails to "see" him as the kind man he is instead of an untrustworthy black man, which he isn't. And then Phillip goes literally blind and only then learns to "see" Timothy correctly.
