Rn 50 points asp which of these sentences from “with a little from my friends” contains a simile?

a. having exhausted our geographical clues, we would say, "you've heard of india, japan, or china? we're on the same continent."
b. perhaps it's like driving a yugo and realizing that the eighteen-wheeler can't see you.
c. this avalanche of kindness did not make our impending departure any easier.
d. i knew no one would ever take us up on our offer, because iran was off the radar screen for most people.