Câu hỏi:

Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of

the questions.

 This formula is for people with deficiencies and anemic conditions. It aids in the body's absorption of

vital minerals such as iron, calcium, zinc, potassium, and sulfur. Take the following ingredients:

 Parsley root Comfrey root Yellow dock

 Watercress Nettles Kelp Irish moss

 Slowly simmer equal parts of these herbs with four ounces to a half-quart of water. Continue to simmer

slowly until the volume of liquid is reduced by half. Strain, reserve the liquid, and cover the herbs with water

once more. Then simmer again for 10 minutes. Strain and combine the two liquids. Cook the liquid down until

the volume is reduced by half. Add an equal amount of blackstrap molasses. Take one tablespoon four to five

times daily, not exceeding four tablespoons in a 24-hour period.

 What is the main reason for taking this formula?