Mindy always feels exhausted and it has only gotten worse even though she is in the middle of her second trimester. When she had a blood test done the physician told Mindy she has anemia. Which foods should Mindy eat to treat her anemia?

A: tomatoes, lettuce, and cucumbers
B: meat, poultry, and leafy green vegetables
C: yogurt, milk, and cheese
D: melons, papayas, and oranges