Multi-choice problem: Continue writing the next sentence in this paragraph:

The young bagpiper marches in place while playing his bagpipe while onlookers watch from behind. the adult bagpiper and the child

Available choices:
(I) stand next to each other while performing..
(II) stand next to the young child..
(III) enter the auditorium and sit together..
(IV) walk together day and night in miyagi, after the youth look back and smile..
(I)