A. which is why many states support banning the practice.
Explanation:
The phone should be far from the driver, that's a fact. Compared to the illegal attitude of talking on the phone while driving, sending a message is potentially more dangerous. Driving means being aware of all stimuli coming from traffic. As the phone turns its attention to the auditory stimuli, the message deviates from the visual as well as from the tactile, as you begin to worry about typing. Elaborating a text and typing it in a device of small dimensions, while still locating the recipient's number, are activities that require cognitive and neuromotor commitment. Such capabilities make it irreplaceable to the act of driving. That is why many states support the ban on this practice.
The answer is for instance. This is the answer because the term "for instance" is sometimes used to give an example. In the paragraph, for instance is used to give an example of how cuckoos mimic other animals.