The Fact That We Are Unaware of Most of Our

The fact that we are unaware of most of our mental processing is a good thing for all of the following reasons EXCEPT that

A) we can reliably infer what our mental processes are,so there's no need to monitor them.
B) awareness of all of our processing would likely send us into information overload.
C) in many cases,information about our underlying mental processes would be distracting rather than helpful.
D) most tasks would be greatly slowed if we had to sort through all of the underlying processing information.