who might write a letter to their representatives about a policy issue?\nindividual citizens and the…

Brief Explanations:

Individual citizens can voice their concerns directly. Interest - groups advocate for specific causes and often communicate with representatives to influence policy. The media typically reports on issues rather than writing as a sender to representatives, and political parties usually engage in different forms of political activities rather than just writing individual letters on policy issues.

Answer:

D. interest groups and individual citizens