Which of the Following Statements Is True About Persons with Paget's

Which of the following statements is true about persons with Paget's disease? They:

A) are often diagnosed early due to a spike in serum parathyroid hormone levels.
B) present with a long history of various, poorly defined bone pains, often resulting in excessive pain medication usage.
C) develop symptoms early and are tested by bone biopsy to diagnose the disorder.
D) are asymptomatic for years, but can eventually develop bone pain in affected bones.