Passage Two Questions 19 to 22 are based on the passage you have just heard. 19. A. Taking up exercises after recovery. B. Producing tasty healthy frozen food. C. Finding new ways to cure heart disease. D. Going on a diet upon leaving the hospital. 20. A. It was carefully tested with consumers. B. It was promoted by health organizations. C. It was disapproved by many diet experts. D. It was highly expected by the general public. 21. A. Competitive price. B. Low expectations. C. Vigorous promotion. D. Unique ingredients. 22. A. It was suggested by the firm's vice-president. B. It matches the food's dark green packaging. C. It has a positive implication for consumers. D. It tricks the elders into impulse purchasing.