Which statement describes the kinds of policy subject areas for which “issue networks” might be most active?

A. Policies for which public opinion is a very important factor, such as whether same-sex marriage should be allowed.
B. Policies that require high levels of collaboration across state and federal policy actors, such as transportation.
C. Policies that come from sub-governments, or executive branch agencies, such as public school policies.
D. Policies for which public opinion is less relevant, but higher levels of specialized expertise are important, such as regulating health care exchanges.

D. Policies for which public opinion is less relevant, but higher levels of specialized expertise are important, such as regulating health care exchanges.