单选题 Mr. Jones has been accused of distributing several important ______ memorandums to persons outside the company.
A. integral B. independent
C. incapable D. internal

【正确答案】 D
【答案解析】[解析] 句子表示“被控告泄露内部文件”，因此意为“内部的”形容词D为正确答案。