Answer:
Step-by-step explanation:
4. Marc Thierry, who is from Paris (called the "city of lights"), is a well-respected doctor.
In this case, the parentheses are for provide more information about Paris, which is not necessary to understand the sentence.
3. The ACS (American Cancer Society) was founded by businessmen and doctors.
In this case, the parentheses are used to refer what is ACS.
5. The new inductee proclaimed, "(It) my membership is my greatest honor!"
In this case, the parentheses are used to refer to something that is not explained in the citation. This is often used in direct speech.
6. The first game to be held in the new gym is against Rocky Point (High School)
In this case, the parentheses are useful to clarify what type of place "Rocky Point" is.