I'd say the correct answer is D, classical. Because they had so many norms/rules of how anything should be written, so they valued these things greatly.
The best answer is a simple sentence.
Similes compare two things. Because clowns are considered by most to be very funny, the object would also have to be something funny.
Therefore you could say...
A clown is as funny as a medieval joker.
A clown is as funny as a cat barking like a dog.
A clown is as funny as a comedy movie.
The answer is an altimeter it measures altitude and altitudes definition is height
