单选题 What does the example "committed perjury" illustrate?

A、 The law will examine closely what the individual said in court.
B、 It illustrates that the law only has something to say when behavior has negative effects on others.
C、 Behavior which tends to avoid punishing stimulus will not be explicitly specified by law.
D、 Both B and C

【正确答案】 B

【答案解析】文章举这个例子是为了说明法律只有当个人行为对其他人产生了负面影响时才会起作用。所以答案选B。