Which sentence from "one poor harvest away from chaos" by geoffrey lean best demonstrates the author's use of ethos? o a. but for the world's poor, who have to spend 80 per cent of their income on food, it could be catastrophic. b. that is what is worrying lester brown, president of the washington-based earth policy institute, whom i first met at the 1974 conference. o c. and this week the airwaves have been full of warnings that the formidable figure could be about to increase further, as a new food crisis takes hold. o d. "the reality," he says, "is that the world is only one poor harvesally away from chaos we are so close to the edae that nolitically