Multi-select problem: How does the next paragraph end?

How to gain weight fast (for women )
Consume an additional 500 calories per day.
It is generally safe to gain 1-2 pounds (0.45-0.91 kg) per week. To reach this goal, add an extra 500 calories to your diet everyday.

Choices:
(A). The healthiest way to do this is to eat more nutrient-dense foods. To keep track of what you're eating, use a health app, such as myfitnesspal.
(B). Add up your daily calorie intake and perform an internet search to find the number of calories you need each day. For example, add an extra 500 for every 1 1/2 cups (180 grams) of food you eat per day.
(C). If you eat more than 500 calories a day, you risk increasing your risk of developing cardiovascular disease, bone deformities, and diabetes. Drink plenty of water throughout the day.
(D). For example, if you eat 3 , 500 calories per day, you can gain 1 pound (0.45 kg) per week. Have your calorie intake meet your daily calorie needs.
(A).