This sentence is grammatically correct but it is not adverb phrase it is Syntax
The question refers to Chief Seattle's speech - a Speech by the chief of the Duwamish people.
In his speech, he says:
"Your religion was written on tablets of stone by the iron finger of an angry God, lest you might forget it. "
So the correct answer is B.
It also makes sense, since it's not Moses who wrote on the tablets, but who received the tablets.
Gummy bears were produced by Haribo, they were the first company to manufacture gummy bears.
