D. Rewriting the definition of a word in the form of a question
Well, <span>I think it's correct. </span>I don't see any mistake there.
4 is the answer because the author expresses an opinion, "<span>the most popular places to shop—including four grocery stores" is an opinion. It is the authors own opinion that these are the best places to shop.</span>
Hydrotherapy is the use of water in treatment