What do they ask her? What is her answer?

From the text:

‘Woman, transgress not beyond the limits of Heaven’s mercy!’ cried the Reverend Mr. Wilson, more harshly than before. ‘That little babe hath been gifted with a voice, to second and confirm the counsel which thou hast heard. Speak out the name! That, and thy repentance, may avail to take the scarlet letter off thy breast. ‘

‘Never,’ replied Hester Prynne, looking, not at Mr. Wilson, but into the deep and troubled eyes of the younger clergyman. ‘It is too deeply branded. Ye cannot

take it off. And would that I might endure his agony as well as mine!’