The first one! It’s always: comma, quotation marks “”then period.
Answer:
the longer of suspense tension builds,the more possibility the writer must create
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.
Baseball became known as a major sport.
Hope this helps and major counts as an adjective because its describing something. :) Hope this helps! :)