Which inference about the boy is best supported by the paragraph?

He hurried from class straight to the library, all the while calculating how much work he had to do, and how there wasn’t enough time to do it in. He wished he could relax a little bit, like his roommate, who was probably hanging out playing video games.
A. He is a studious college student.
B. He does not like his roommate.
C. He is cold from being outside.
D. He does not have good grades.