A 2-year-old female presented with an inability to walk and delayed dentition; you discussed with the team the potential factors contributing to her condition. Which of the following statements is true?
A. Nutritional rickets are unlikely in this case.
B. X-ray of the wrist is an unimportant investigative tool.
C. The patient appears taller than her peers.
D. Sophisticated investigations are necessary for diagnosis.
E. This condition is more common in regions with greater sun exposure.