Agreed because the other ones wouldn't make sense
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>
The problem of xenophobia is people. Xenophobia is hatred or dislike of people in general. It's objective is often removal of those people in various ways. An entire nation can be xenophobic and nationalistic which can lead to numerous problems such as wars or genocides.
