What happens next in this paragraph?

How to catch a dog
Observe the dog's body language.
Before moving any closer to the dog, watch his body language from a distance. Erratic behavior could be a sign of rabies.
Pick your answer from:
(a). Abnormal movements could mean that the dog was poisoned. If the dog doesn't walk normally, this might signal to you that it was poisoned.;
(b). A raised head indicates pain, anger, or aggression. If the dog suddenly becomes hostile to you, barks or stares at you in neutral mode, this could be a sign of warning.;
(c). If you come close to a dog from a distance, the dog will be less likely to bark. If the dog signals dangerous, reach out towards it, speak to it, or pet it.;
(d). Growling or snarling would indicate that he is feeling aggressive. The dog may tense his muscles or walk stiffly if he is fearful.;
(d).