Which of the following is the best paraphrase of the line, “what happens to a dream deferred? ”

The correct answer for the question that is being presented above is this one: "C. what happens when a dream is not realized?" 

Here are the following choices:
A. putting off a dream can be disappointing, even dangerous
B. some dreams must be put off
C. what happens when a dream is not realized?
D. what happens when people dream?

/1. She / leave the room

...What has she just done? She has just left the room 2. they / watch the news

...What they have just done? They have just watched the news 3. I / finish homework

...What I have just done? I have just finished homework 4. he / put on the jacket

...What he has just done? He has just put on the jacket 5. she / catch a fish

...What she has just done? She has just caught a fish 6. he / call a taxi

...What he has just done? He has just called the taxi