Given the Following Enthymeme: Wherever Freedom of Expression Exists, There

Multiple Choice

Given the following enthymeme: Wherever freedom of expression exists, there is pornography, and freedom of expression exists in the United States.
The statement needed to convert the enthymeme into a valid syllogism is:

A) There is no pornography in the United States. (Conclusion)
B) All places identical to the United States are places there is pornography. (Premise)
C) Freedom of expression requires pornography. (Premise)
D) There is pornography in the United States. (Conclusion)
E) Pornography requires freedom of expression. (Conclusion)