Answer:
C. Opponents thought that President Carter was weak on foreign policy issues as his attempts at diplomacy and a rescue mission failed.
Step-by-step explanation:
Opponents believed that President Carter's handling of the Iran hostage crisis showed weakness in his foreign policy approach.
The failed attempts at diplomacy and the unsuccessful rescue mission, known as Operation Eagle Claw, were seen as indications of his inability to effectively address and resolve international conflicts.
These opponents argued that his actions, or lack thereof, demonstrated a lack of strength and assertiveness in defending American interests abroad.