Critical Thinking Questions Libby, an Academic Organizer and Planner, Works

Critical Thinking Questions Libby, an academic organizer and planner, works for various universities where students can utilize the courseware created by Libby to enhance their verbal and reasoning skills. Libby has assigned James, a website designer, the task of using multimedia to enhance the purpose of her website so that it provides the students an easier and interactive method of learning.
James decides to create his own multimedia files and not use any existing files. Which of the following should James use to create his own audio files?

A) Digital camera
B) Digital camcorder
C) Web camera
D) Microphone