Would you mind doing sth.的回答是否可以用Never mind?若介意因怎么回答,不介意又怎么回答

不以用Never mind
Sorry ,I'm afraid I can't /but you'd better not那不介意又怎么回答Sorry ，I'm afraid I can't /but you'd better not 就是介意的意思那 不介意 又怎么回答Of cause not No ，I wouldn't mind at all