At the Blood Donation Facility, You Are Completing an Information

At the blood donation facility, you are completing an information form.The form asks about your health history and includes a question about whether you have ever had malaria or visited a country where malaria is endemic.Why is this information relevant?

A) If you are infected with malaria, you are probably also infected with HIV, and that would disqualify your donation.
B) Recipients differ in their susceptibility to malaria; if you have had malaria, the staff will earmark your blood to specific kinds of recipients.
C) This is just one of many pathogens that blood is screened for.The information given by the donor saves the staff time in testing the blood.
D) Malarial parasites can persist in the liver, and, as a result, could be contaminating your blood and transferred to a recipient.