On a Dichotic Listening Task

Multiple Choice

On a dichotic listening task,

A) people can accurately monitor two tasks at the same time.
B) people can accurately monitor two tasks at the same time, except when the tasks are both auditory.
C) people notice little about the message that they are supposed to ignore.
D) experts tend to process the message that they are supposed to ignore, but novices don't process an irrelevant message.