(1) Brenda would have liked to have taken her vacation at the beach. (2) However, the weather forecast on the television called for rain. (3) Also, her fiancé, Max, wanted to vacation in the mountains. (4) After a heated discussion, Brenda and Max decided to compromise. (5) They would spend their vacation time at Spring Lake. (6) That way, Jack could fish and Brenda could enjoy swimming. 3. In sentence 4, what is "After a heated discussion"?
A. An adjective phrase
B. An independent clause
C. A prepositional phrase
D. A dependent clause