Answer:
B He maintained a religious school after the Temple of Jerusalem was destroyed.
Explanation:
Johanan ben Zakkai was the founder of a religious school at Yavneh. As rabbinic, he had a crucial hold on the continuation and development of traditional customs of Judaism after the Temple of Jerusalem was destroyed by the Romans in 70 CE during the Siege of Jerusalem. The rabbis were teachers who interpreted and applied the Oral Law in their community.
