One way courts have determined reasonableness is the bright line approach, which:
a. considers the totality of circumstances in each individual case.
b. assigns points to each indicia of reasonableness.
c. compares a case to other similar cases.
d. considers a specific rule that applies to all cases.

The bright-line approach or the bright-line rule consists of the rules which serve as the basis for the application's consistent results. This includes objective factors so that varying interpretations would be prevented. Courts utilize this because this considers a specific rule that is applicable to all cases. Answer is D.