北朝书法的主要成就表现在（）上，其种类较多，包括（）、（）、（）、（）等。

The nurse is caring for a client who has a history of alcohol abuse. Why would the client act as if he didn't have a problem

A．The client has never taken the CAGE questionnaire.

B．Denial is a defense mechanism commonly used by alcoholics.

C．Thought processes are distorted.

D．Alcohol is expensive.