Answer:
I believe the correct answer here would be A. D comes close, but Starbuck's 'rule' is more of a request rather than an outright ban, as the open letter on their website states: "First, this is a request and not an outright ban. Why? Because we want to give responsible gun owners the chance to respect our request—and also because enforcing a ban would potentially require our partners to confront armed customers, and that is not a role I am comfortable asking Starbucks partners to take on."
The correct answer is the information in the middle of the chapter.
This is because the primacy effect refers to something that you've read first, and the recency effect refers to something that you've read last. So the information you got at the beginning and at the end of a chapter will stick with you, whereas you are more likely to forget what happened in the middle.
The answer is A, the first one