When planning a healthful diet using the USDA Eating Patterns, vegetarians should remember that: a. modifications are prohibited so they must use another diet planning tool b. they will have difficulty meeting their needs if they only use the patterns given c. the vegetable group contains legumes, which can be counted as protein foods d. nuts and seeds are high in fat content and should be avoided e. all soy foods and soy milk have the same nutrient contents as dairy milk