One Potential Drawback for Consumers Who Use a DVR (Digital

One potential drawback for consumers who use a DVR (digital video recorder) is that ______.

A) they have to be at home to press "record" in order to tape a program
B) they can't skip past commercials
C) marketers and advertisers might be able to "see" what they watch
D) they can only use them to record broadcast network programming, not cable programming
E) DVRs can be unreliable and don't always record what you program them to record