John Milton relies so heavily on the use of extended similes in Paradise Lost because the extended simile is a reflection of the influence of the Bible in the poem. Option C is correct.
An extended simile often runs to several lines.
A simile is a figure of speech in which two different things are explicitly compared. A simile uses connecting words, usually “like” or “as.”
The technique of simile is known as a rhetorical analogy, as it is a device used for comparison.