Raj sat at a broad table in the back of the school library and ran his
finger quickly over the text of a book called Syntactic Conventions in
Idiomatic Expressions. On his left, a stack of 12 more books - all
thick, all with brown, black, and earth-red covers - sat and waited for
his consumption. Suddenly, Millicent, a troublemaker he knew from
history class, peddled through the library on a bicycle while a teacher
chased her. Raj looked up briefly, raised an eyebrow, and then went
back to reading
What does the dialogue in the passage most clearly reveal about Raj?
O A. He is arrogant.
B. He is serious.
C. He is bored
O D. He is nervous.