In a Physical Examination, the Physician Spends the Most Attention

In a physical examination, the physician spends the most attention on the patient's musculoskeletal and neurological systems. What can we deduce from this?

A) The same systems were likely not explored in the review of systems.
B) This is a comprehensive examination.
C) Documentation from the subjective component of the patient's visit has pointed the physician to these systems.
D) The diagnosis will be firmly established after assessment of both systems.