Multi-choice problem: Continue writing the next sentence in this paragraph:

How to check iron levels
See your doctor if you suspect your iron levels are low.
Your doctor is the best way to get your iron levels checked. Make an appointment to see your doctor within 1-2 weeks if you're showing basic signs of anemia like fatigue.

OPTIONS:
[A]. The first step the doctor will take is to ask you about any history you've had with low iron in the past. Then, the doctor will ask you questions about your recent symptoms and health.
[B]. Always check your iron levels before eating, drinking, or exerting yourself. Iron only gets marked when you drink water.
[C]. Your doctor may also refer you to a nutritionist to get an x-ray done on your body to get a better idea of how much iron is in your body. Spot iron deficiency symptoms with palliative iron.
[D]. Some symptoms of anemia include : Slow heartbeat dizziness bleeding through urination Eliminate iron from foods before you eat. You'll notice problems if you eat for longer than 1-2 hours before you see your doctor.
[A].