Colin Cherry's Experiment in Which Participants Listen to Two Messages

Colin Cherry's experiment in which participants listen to two messages simultaneously,one in each ear,found all but which of the following?

A) people can focus on one message and ignore the other one.
B) people can focus on the message they were repeating.
C) people take in very little information about the ignored message.
D) even deaf individuals process auditory information,even on a non-conscious level.