The answer is B. the word less is an adjective that tells how much
The sentence whose style is most appropriate with respect to clarity and simplicity of language is the first one - For centuries, art admirers have been digging through records of the painting to figure out its meaning.
The other sentences use language that is quite complicated.
They both are friends of Antonio and Bassanio . both salerio and solanio go to Belmont to tell Bassanio that Antonio is in debt and Shylock is going to take 1 pound of Antonio's flesh .
Can you provide a picture of what you mean?