Which sentence best demonstrates the author's use of ethos?
O
A. That is what is worrying Lester Brown, president of the
Washington-based Earth Policy Institute, whom I first met at the
1974 conference.
O
B. But for the world's poor, who have to spend 80 per cent of their
income on food, it could be catastrophic.
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 harvest
away from chaos. We are so close to the edge that politically
destabilising food prices could come at any time."