Which statement is true about public opinion? A. Issues of public opinion are influenced by small groups. B. Issues of public opinion control how government is run. C. Issues of public opinion are related to music and entertainment. D. Issues of public opinion are related to public affairs.

Answer: Option (D) is correct.

Explanation:

Public opinion is defined as the view, want and requirement that is displayed and expressed by majority of public. The society decides about any problem through their opinion by forming community and giving their views on public affairs.

Other options are incorrect because public opinion does not contains subject related wit government functioning, entertainment, small groups or music. Thus, the correct option is option (D).