—_____________rules are there in your class?    

—Let me see, one, two, three... so many.    [ ]

A. How many    

B. How much    

C. How long    

D. How far

该例的诊断最可能是

A．高血压病I期
B．嗜铬细胞瘤
C．糖尿病
D．原发性醛固酮增多症
E．高血压危象