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.
I think the best answer is 'it creates a mood of despair and surrender', but it could possibly be 'it suggests what the characters should be feeling'.
Answer:
) this recipe is for making a delicious dessert.
Explanation: