[QA] As the roles of people in society change, so does the rules of conduct in certain situations.

X. Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

Question:

As the roles of people in society change, so does the rules of conduct in certain situations.

• A.
  situations
• B.
  so does
• C.
  as the roles
• D.
  rules of