I think the correct answer is B.
I believe the answer is: 30 to 40<span>
The view was made after considering several factors that might influence the intellectual performance of the test takers. Including, anxiety that they face during the exam, the mistakes that they made from being timed, the luck that have when they're just guessing the answer, etc.
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The most suitable word for Barcelona would be "enthusiastic". The word enthusiastic comes from the word itself which is "enthusiasm" that means a feeling of energetic interest in a particular subject or activity and a desire to be involved with it. For Barcelona, when you imagine the place, you ought to be interested in what's with the place and what does the place offer.
In the theory the answer is B.
