Final answer:
In the context of public opinion, majority opinion, elite opinion, and issue publics all represent types of public opinion, hence the correct answer is 'All of the above'.
Step-by-step explanation:
When examining types of public opinion, all the options given in the question are valid. Majority opinion refers to the view held by the majority of people; for example, the general consensus on a political issue.
Elite opinion is the perspective of a smaller group that has significant social, economic, or political power. Lastly, Issue publics are groups of people particularly affected by or deeply concerned with a specific issue. Therefore, the correct answer is d. All of the above.