Research Has Shown That When We Speak to Foreigners Who

Research has shown that when we speak to foreigners who have some difficulty in speaking English:

A) we talk to them in the same kind of baby talk we often use to talk to mentally handicapped adults
B) we use the same speech register as we use to talk to native speakers
C) we mimic their accents if we like them, but not if we do not like them
D) we expect them to converge to our speech style, and are usually critical of them if they do not
E) we ignore their words and concentrate only on their gestures