Answer:
The man, who was waiting for the bus, decided to take a nap.
Explanation:
The other options contains comma splices.
When someone hurts you, the desire for retribution is strong.
Retribution means punishment or revenge.
A. Oxymoron, an oxymoron is when contradictory terms appear in conjunction, with this example a secret isn't suppose to be well known by others but putting the word open in front of it contradicts what a secret really is