Which of the following openings would capture your listeners’ interest in a speech on recycling?
(a) You all must be blind not to have done something about the aluminum cans which litter our streets.
(B) I am here today to talk to you about recycling aluminum cans in our neighborhoods.
(C) The recycling of only one aluminum can saves enough energy to burn a 100-watt light bulb for 3 1/2 hours.