Read the following context and choose the best option to answer the question.
Context: After spending only a couple of hours at the park it was time to leave . Our trip drew to a close with a fun and long bus ride . The trip was a magnificent experience and was an awesome way to get exposure into the American Southwest .
Question: What may be a fact about their trip ?
Options: 
A. They had went on a school trip in the southwest .
B. They were unable to afford a flight so they used a bus .
C. They had traveled with a group of people .
D. They had done a bus tour in the southwest .


D