Answer:
A: "The beach was full of happy, carefree tourists."
Explanation:
To answer this Question you have to say each answer option out loud, and if one does not sound right, then it is probably Incorrect.
Well, despite the fact that you haven't provided me with sentence 8 for review, I can -- fortunately for you -- say that option B MUST be the correct answer ... based solely on pure logic and a strong command of English.