Which use of pacing creates the most urgent mood?

a. make breakfast? no! no time. she threw open the door and ran to the car.
b. she put her foot on the gas pedal, revving the engine with a sense of gleeful anticipation, hoping to beat the morning rush.
c. her blue-gray car, acquired on her 21st birthday, waited in the driveway, ready to get her to work.
d. she could imagine her boss's stern words and the angry look in his eyes if she were to come in late.