The doctor advised him to ______ from alcohol consumption to prevent further liver damage.
答案解析
核心考点：动词搭配辨析。解题思路：restrain oneself from为固定搭配（A正确）。constrain指外力限制（B错误），stain意为污染（C错误），sustain指维持（D错误）。正确答案A与'戒除饮酒'的语义完全匹配。
正确答案：A