Archetype? Symbol? Either of those could work
D. Henry Ford adapted the assembly line, an innovation in factory production, to produce cars.
A simile will always use either the word "like" or "as" to create a comparison. It's important not to mistake the statement for a metaphor, which is a comparison that typically uses words such as "is" to connect the two topics or objects.
Answer:
The answer I think you are looking for would be D. character versus character.
Explanation:
This is because it is the only answer that makes the most sense.