1a:I[32196,["52266","static/chunks/870fdd6f-3edbf5e5faf3a3e9.js","97330","static/chunks/d3ac728e-6938b2b492a69981.js","57489","static/chunks/57489-612de1b2ecbff857.js","57181","static/chunks/57181-b112fbb14ea35934.js","66439","static/chunks/66439-31aa122d966c9045.js","34540","static/chunks/34540-0bf1ca1fd95318af.js","88600","static/chunks/88600-07962c26369d873a.js","81548","static/chunks/81548-2af8f9e6fb9ecfbe.js","39554","static/chunks/39554-fcde086ccbc79707.js","76921","static/chunks/76921-f2f6b3b4ed745e8c.js","83617","static/chunks/83617-909f08434ba8a02c.js","98314","static/chunks/98314-d00d7bfb906dd74f.js","85562","static/chunks/85562-83fff821b93329e4.js","24341","static/chunks/24341-80894110788fcc81.js","2600","static/chunks/app/basic-problems/%5Bid%5D/page-c5646c37187a21f6.js"],"default"] 1b:T4d3,

arr[10] = {2} 表示 arr[0] = 2，其余为0，故 arr[1] = 0。
调用 fun1(arr) 时，n 指向 arr[0]（即值为2），*n**n 是 *n * *n = 2 * 2 = 4，返回4并赋给 arr[1]。
最后输出 arr[1] 为4。
答案：D

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