The wish that Emperor Vespasian granted to Yohanan Ben Zakkai was B. To preserve the sacred scrolls and texts.
When Israel rebelled against the Romans, Emperor Vespasian came to Israel to destroy it. When he got to Jerusalem, he told the people to give up and that he would spare them if they did.
They refused but Yohanan Ben Zakkai tried to reason with them. When they agains refused, Yohanan Ben Zakkai spoke to Vespasian and asked that the sacred scrolls and texts be preserved. He granted this wish and kept it after the fall of Jerusalem.
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