Answer:
D. a joke using words that sound alike but have different meanings.
Explanation:
It could also be A, but D made the most sense.
Here is an example "What did the grape say when it got crushed? Nothing, it just let out a little wine."
as you can see, gramatically, the word should be "whine", but as this is a pun that is talking about grapes, using "wine" instead makes it funny.
