诊断嗜铬细胞瘤的一个线索是（）

A.高血压对哌唑嗪特别敏感

B.高血压对常用降压药有效

C.高血压伴交感神经亢进

D.高血压伴高代谢状态

E.持续性高血压

A．To question the opinion about pocket money.

B．To compare Stephens with other financial experts.

C．To explain that parents should. be strict when children are developing good habits about money.

D．To suggest that pocket money is useless in developing a child’s sense of responsibility.