The answer is D: to concentrate on your personal areas of interest.
The most importante reason for setting a purpose before reading or even before doing a research is to <em>eliminate distraction</em>, which can be a <em>hindrance</em> for any desired development.<em> Having a purpose is to have an intention, a goal, which will be achieved only with </em><em>concentration</em><em> on one's personal areas of interest.</em>
Answer:
D ticket - travel
explanation :
because if you have money you can buy goods
same as if you have a ticket you can travel