The correct answer is (c) fats, carbohydrates
Explanation: Diabetes is of two kinds, one where the body cannot produce insulin and the second in which the cells have developed resistance to insulin so absorption of glucose has gone down. Thus, the amount of sugar in blood increases. To control this, the level of fat intake can be increased. The lesser amount of fat is needed to satisfy hunger as compared to carbohydrates. Also, the energy produced by oxidation of fat is much higher. Thus, to control diabetes, consumption of carbohydrates is reduced and the intake of fats is increased.