A、p.setWeight（420）；
B、p.changePayload（420）；
C、p = new Payload（420）；
D、Payload.setWeight（420）；
E、p = Payload.setWeight（420）；
更多“ Given：<br /> <img src="https://nimg.ppkao.com/2018-08/wenxueying/2018080113471490132.png?sign=40b11c805c08726558da31322d15e5d2&t=62d47e21" /><br /> Which code fragment， inserted at the end of line 12， produces the output p is 420？（）”相关的问题
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