He thought furiously. let the bell ring at 9: 35 and the boy strut out of miss carpenter's room undetected, with his loot, and he would send up a howl like a wolf cub over his first kill. who says these big-shot law jurks ain't monkeys? the biggest! he's a lot of nothing'. wind. see me stand him on his ear? and this is just for openers. wait till i get going' for real, not any of this kid stuff. .

how does the author add tension in this excerpt?

a. with the protagonist’s conflict
b. with an unexplained idea
c. with a sense of urgency
d. with fast pacing