Karl Is Driving to Campus and His Phone Rings, Based

Karl is driving to campus and his phone rings, based on the studies on divided attention, should Karl answer the phone?

A) No, he would experience a negative impact on his driving behaviuor since he would focus more on the phone call than on traffic signals.
B) He should only answer the phone if he is an experienced driver who is driving in a familiar location.
C) Yes, his attention system will allow him to process both traffic information and his phone conversation equally.
D) He should only answer the phone if he has a hands-free device, so that he is not distracted by having to hold the phone.