选择篇(003)-下面代码的输出是什么?
const settings = {
username: 'lydiahallie',
level: 19,
health: 90
};
const data = JSON.stringify(settings, ['level', 'health']);
console.log(data);
A: "{"level":19, "health":90}"
B: "{"username": "lydiahallie"}"
C: "{"level", "health"]"
D: "{"username": "lydiahallie", "level":19, "health":90}"
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