Which of these is not, according to your text, a typical step that an officer will take when determining whether someone is driving under the influence or driving while intoxicated?

A. An arresting officer's observations of the
erratic operation of the vehicle or behavior a
driver will often lead to a stop for investigation.

B. During the investigation, the officer will ask
for the keys to the car and inspect the car
and trunk thoroughly.

C. During the investigation, the officer will ask
the driver questions and observe the driver's demeanor.

D. After the stop, the officer will take note of
the physical appearance of the driver to determine whether he or she may be
intoxicated.