The first one: only 1 comma
Answer:
Dilapidated- D. Rundown
Explanation:
Dilapidated Definition- Partly ruined, destroyed.
Closest meaning to that is rundown.
No, it is not a correct sentence.
The mistake is in the word <em />worse - you need to use the superlative (final) form of the adjective. Bad - worse - worst. So the correct answer would actually be:
Deciding to go to Barcelona was the worst decision I ever made.