Which highlighted word is a preposition?

He built a gas engine with his co-workers.

A.
a
B.
with
C.
his

Based on the root word what is the definition of imperceptible

Before the german army vehicles arrived in sighet, one of the community members returned from budapest and warned everyone of the danger they were facing by staying in the community.

What type of figurative language is used in this passage from "letter from birmingham jail"? just as the prophets of the eighth century b. c. left their villages and carried their "thus saith the lord" far beyond the boundaries of their hometowns, and just as the apostle paul left his village of tarsus and carried the gospel of jesus christ to the far corners of the greco roman world, so am i compelled to carry the gospel of freedom beyond my own hometown. allusion symbolism imagery metaphor