SOURCE

console.log((function(w){
    var iframe = document.createElement('iframe');
    iframe.style.display = 'none';
    document.body.appendChild(iframe);
    console = iframe.contentWindow.console;
    w.console = console;
    let list = Array.from(document.querySelectorAll(".border-item"))

    /**
     * 题目列表
     */
    list = list.map(border=>{

        /**
         * 标题
         * 字符串
         */
        const title = border.querySelector(".item .content .title").innerText

        /**
         * 选项DOM列表
         */
        const optslist = Array.from(border.querySelectorAll(".item .content .opts-list label"))

        /**
         * 选项字符串列表
         */
        const ans = optslist.map(label=>label.querySelector(".opt-title-cnt").innerText)

        return {title,ans}
    })

    const tag = ['A','B','C','D']

    /**数组 (题目+选项字符串) */
    const strs = list.map((item,num)=>{
        let str = `${num+1}${item.title.replace("()","")} `
        str+=item.ans.map((an,i)=>`${tag[i]}.${an}`).join('  ')
        return str
    })

    const str = strs.join("    ")

    console.log(strs)

    return {list,strs,str}
    
})(window))
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