Answer:
The web site, entitled Find Your Best Friend, includes a tool to help you choose a pet.
I think i may have had the same text and my answer was snake... hope this helps have a nice day
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.
