Answer:A)under certainty
Explanation
Decision making is an act of action for choosing a preferred or best alternative choice from a group of choices after considering and establishing problems and opportunities associated among the alternatives which can be based on certainty or uncertainty.
A decision under certainty exists when the the person deciding is certain, has extensive knowledge and reliable information with respect to what the alternatives are, the conditions related to each alternative, and outcome of each alternative.
Jane choosing to buy the car with the fastest acceleration and the fastest braking after test driving all her alternatives illustrates a decision under certainty.