Final answer:
A company that creates coalitions to influence government employs a constituency-building strategy, which is an example of outside lobbying.
Step-by-step explanation:
A company that builds stakeholder coalitions to influence government is using a constituency-building strategy. This is reflected in the answer C. Constituency-building. Such tactics are a form of outside lobbying or indirect lobbying, where an interest group attempts to mobilize its members and the public in support of its goals, thereby exerting pressure on public officials through a collective voice. This may include organizing campaigns, encouraging individuals to contact their representatives, and working in alliances with other groups to present a united front on a particular issue.