A nurse is reinforcing teaching with a client who is starting to take alendronate effervescent tablets to treat osteoporosis. Which of the following information should the nurse include in the teaching?

A. Alendronate should be taken on an empty stomach with plain water, not with food, to ensure proper absorption. B. Beverages such as orange juice or coffee can interfere with absorption; only plain water should be used. C. The client should sit upright or stand for at least 30 minutes after taking alendronate to prevent esophageal irritation and promote proper delivery to the stomach, making this correct. D. Alendronate effervescent tablets should be dissolved in water and then consumed, not chewed or sucked.