Billy Pilgrim is taken to the hospital shed because he

D. He has a breakdown during the show.

The women in the play were really men, of course. The clock had just struck midnight and Cinderella was lamenting

'Goodness me, the clock has struck-Alackaday, and fuck my luck.'

Billy found the couplet so comical that he not only laughed-he shrieked. He went on shrieking until he was carried out of the shed and into another, where the hospital was. It was a six-bed hospital. There weren't any other patients in there.