Answer:
b) The first symptom usually appears during adolescence.
Explanation:
This type of disorder is manifesting through focus on physical pain and symptoms. When a person is dealing with this type of condition, they get consumed by it and go through emotional stress and it causes numerous problems. For example, a person doesn't suffer from any disease, but a person would exaggerate and react to some symptoms in an unhealthy way. In early life and young adolescence, a person would show the signs and if they're prone or not to suffering from SSD.