<span>The right answer is a - Lymphomas are types of cancers that affect the immune system. Lymphomas can be divided into one of two subcategories, Hodgkin's or non-Hodgkin's, and are cancers that attack the white blood cells known as lymphocytes specifically.</span>
This question does not make sense. If you are positive then you legally have to clarify that you are HIV positive. Please ask questions that are clear and concise. If it is a riddle then please do not put the question into the health category. Thanks.
C. From what I have read they come from the outdoors.
A: B
E: because public health policies improved a lot of things. Hope I helped:)