变量与数据类型 — 计算机选择题
题目
执行以下 JavaScript 语句后，依次查看 typeof p、typeof q、typeof r，结果是哪一项？
let p = "0";
let q = 0;
let r = null;
p = q;
q = r;
r = p;
A. "number"、"object"、"number" B. "number"、"object"、"object" C. "string"、"object"、"number" D. "number"、"number"、"number"