I believe it’s answer choice A. Even though it does say that they are estimated to spend 155 billion dollars, they are asking questions related to spending money, such as where they shop and what books they like and so on.
A. Reading the headings and try to turn them into questions. It helps if you also say the question, or the sentence of what you're about to turn in to a question out loud. It helps yous remember because you're basically saying it in your own words.