I don't what it says can you right your question in the comments
Prevalent means widespread, dominant
Flu is prevalent in the wintertime as many people catch it.
The "mortgage crisis" could be one of the existing problems that should be provided with a solution accross the country. I hope my answer has come to your help. God bless and have a nice day ahead! Feel free to ask more questions.
Answer:
The man, who was waiting for the bus, decided to take a nap.
Explanation:
The other options contains comma splices.