Part a read these sentences from "the cask of amontillado." " i heard the furious vibrations of the chain. the noise lasted for several minutes, during which, that i might hearken to it with the more satisfaction, i ceased my labours and sat down upon the bones." which literary technique is used in these sentences? humor flashback pacing foreshadowing part b why does the author use this technique? to build mystery to provide information to create amusement to build tension