There's yet an element of doubt that the man is equal to the

There's yet an element of doubt that the man is equal to the job.翻成中文是能胜任还是不能胜任?
也就是说there's yet and element of doubt……到底是有疑问还是没疑问?
是there's yet an element of doubt，刚才不小心写成and了。
希望给完整的翻译，或者您直接告诉我以下1是对的还是2是对的？
1 毫无疑问，这个人能胜任这项工作。
2 这个人可能无法胜任这项工作。