Which of the following statements represents a major principle of chronic pain management

A．A physiologic approach is most effective.

B．A psychological approach is most effective.

C．A pharmacologic approach is most effective.

D．A multidisciplinary approach is most effective.

（）属于证据保全措施。

A、先行登记保存证据

B、抽样取证

C、对与违法行为有关的场所进行检查

D、收缴