Question

what is the source of the allusion in the sentence below?
pablo got off the mountain by the skin of his teeth.
u.s. history
a movie
the bible

Explanation:

The phrase "by the skin of his teeth" is an allusion from the Bible (specifically from the Book of Job). U.S. history and a movie are not the source of this phrase, while the Bible contains this idiomatic expression's origin.

Answer:

the Bible