<p> 哪一行导入了基于承诺的readFile方法版本？( )</p>
<p> const{readFile} = require(fs).promises</p>
<p> const{readFile} = require(fs)</p>
<p> const{readFilePromises:readFile} = require(fs)</p>
<p> const{readFile} = require(promises)</p>
