Duncan Is a Well-Known Speaker on the Topic of "Protecting

Multiple Choice

Duncan is a well-known speaker on the topic of "Protecting Your Online Privacy." When he gives a free lecture at the local library, the room is filled to capacity, even though some attendees just happened to be at the library that night. Duncan's audience can be characterized as __________.

A) voluntary
B) involuntary
C) captive
D) unmotivated