17. Peter: Let's discuss where to eat with our guests after the meeting. Frank: It's more convenient to dine in the cafeteria at our company. Peter: Yes, but it might be less formal if we don't take them out to lunch. Frank: _______________ Let's flip a coin. Heads for in and tails for out.(A) There's a middle ground.(B) Either way should be fine.(C) When we eat matters a lot.(D) It's the key to a healthy diet.