题目内容：
What phenomenon does the underlinedword "paradox" ( Paragraph 7) reflect?
A．People can be both happy and unhappy. A．People can be both happy and unhappy.
B．People can be both connected anddisconnected.
B．People can be both connected and disconnected.
C．People can end up being both wise andstupid.
C．People can end up being both wise and stupid.
D．People can form both true and falseimpressions.
D．People can form both true and false impressions.
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答案解析：