42. Arrange the following events according to the historical timeline of Taiwan’s orchid industry. a. Taiwan’s orchid export earnings were NT$7 billion. b. Taiwan lost its top position in the global orchid market. c. Taiwan exported moth orchid seedlings to over 80 countries. d. Taiwan hosted the World Orchid Conference. (A) b → d → c → a (B) b → c → a → d (C) c → a → b → d (D) c → d → b → a