听力原文：W: I'm learning a lot in my hotel management class. Have you ever taken any courses in that department?
M: Only the one last year, none since then.
What does the man mean?
A．He has a friend who majored in hotel management.
B．He hasn't taken more than one hotel management course.
C．He's been learning a lot this year, too.
D．He couldn't make any sense out of this course.