What's the main difference between a metaphor and a simile?

a. a simile uses "like" or "as" to make comparisons and a metaphor doesn't.
b. a simile is an implied comparison and a metaphor is a direct one.
c. a simile compares two things by using the word "like" and a metaphor compares more than two things.
d. a simile is a type of figurative language, and a metaphor isn't.

A simile uses "like" or "as" to make comparisons and a metaphor doesn't.

Simile - comparison using "like" or "as"

Metaphor - comparison without using like or as

the answer is: tabard inn, southwark.

in "the canterbury tales," by geoffrey chaucer, the twenty-nine diverse group of pilgrims is staying at a tavern in southwark, london, as they are traveling to canterbury. they wish to visit the relics of saint thomas becket in canterbury   cathedral in order to him for his when they underwent necessities.