In the book the last of the high kings

After confronting J.J., the púka went to Molly’s place, where he

A. Used a spell on J.J. to make him forget the encounter

B. Changed into a fairy and accompanied J.J. to Tír na n’Og

C. Scared J.J. and the children with visions of horrible monsters

D. Withdrew a tree from underground for J.J. you use for his fiddles