1. J<span>ocelyn sang merrily to herself as she approached the audition room. - c. positive
2. </span>For Jason, speaking in public is a most painful task. - C. superlative
3. My parents' old apartment had more bathrooms than our new house has. - b. comparative
4. This glass bottle holds less liquid than that pitcher. - c. comparative
Parentheses are used to enclose extra information, such as a passing comment, a minor example or addition, or a brief explanation.
For example,
(Page # lines # to #, last name of author)
This shows information of certain lines which are part of a text.
She (Name) furiously stomps away from the group.
This shows information by specifying who the person is by stating their name in parentheses.
The method is called Compare And Contrast.