In the second paragraph, Morrie's dancing alone is a sign of his:

A. loneliness.

B. individuality.

C. introversion.

D. abnormality.

Paragraph: He had always been a dancer, my old professor. The music didn’t matter. Rock and roll, big band, the blues. He loved them all. He would close his eyes and with a blissful smile begin to move to his own sense of rhythm. It wasn’t always pretty. But then, he didn’t worry about a partner. Morrie danced by himself.