Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to recover from a fall off a horse [title] Assess yourself for signs of shock or bleeding. [step] If you are shivering, sweating, confused, feel dizzy, or otherwise " out of it, " you are likely in a state of shock. You may also experience shallow breathing, weakness, clammy skin, and a rapid, weak pulse. <sep> (A) If you see any blood coming out of your body, you know you will need emergency assistance. You should dial your local emergency phone number if you are experiencing either shock or bleeding. (B) Seek immediate medical assistance as soon as possible if you feel up to it. [substeps] You should also be able to bring yourself to a hospital or nearby veterinary clinic, if possible. (C) [substeps] You may also experience fever, dizziness, irregular heartbeat, unexplained weight loss, or abdominal cramps. [title] Recognize what happened when you fell off. (D) Alert your veterinarian to check on any physical symptoms, or seek medical attention if you can. [substeps] Be aware that a fall from a horse is a medical emergency and can lead to severe injury.
A