18. What is the opposing idea expressed in the text? a. The Philippines is a big producing-rice country, so Filipinos can't stop wasting it. b. The rice that we waste can just be the very rice we need to feed the hungry. c. Filipinos have spent most of their income on food; however, it is not enough to feed a big family. d. A huge amount of rice is wasted, wherein a number of Filipinos are hungry and undernourished.​