The correct answers are
A. Seth Rogen, dressed as Tevye, sang a version of the song Tradition.
and
B. Miley Cyrus, wearing a Shalom Y’all cape, performed with a band, under the name Miley Cyrustein & The Super Jews.
and
C. Franco read from the Torah.
and
D. Franco underwent a fake circumcision led by Jeff Goldblum.