Read the following context and choose the best option to answer the question.
Context: I ' m glad I made a reservation - there was an hour and a half wait for anyone else at 5:30PM . We were seated next to the Volcano Bar which has a working volcano overtop of it . We both had cheeseburgers and yummy drinks . The food was really quite good and fast , I was surprised .
Question: Why would having a reservation have affected our waiting time ?
Options: 
A. Reservations allows patrons who are nervous about a eatery that allowance of priority .
B. None of the above choices .
C. Reservations are given to native Americans only and gives them priority .
D. A reservation allows you to bypass people who show up without calling in advance .


D