题目：
The dichotomy postulated by many between morality and interests, between idealism and realism, is one of the standard cliches of the ongoing debate over international affairs.
A．division into two parts
B．combination of two parts
C．disparity
D．contradiction
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A解析：一般由数字证书授权机构管理安全信息。
