Solid fats and sweets are generally a. high in calories and high in nutrients. b. high in calories and low in nutrients. c. low in calories and high in nutrients. d. low in calories and low in nutrients.

i believe the answer is B. According to ars.usda.gov "Solid fats are solid at room temperature, and added sugars are those added to foods—they are nicknamed "SoFAS" by some nutritionists. These SoFAS are also known as "empty calories," according to the 2010 Dietary Guidelines for Americans (DGAs), because they provide few or no nutrients yet are high in calories." Since these are "empty calories" that means that they are high in calories and low in nutrients.