Step 1: Concept
Puppets are a form of performing art and educational tool. In the context of extension education, they can be utilized to convey information and engage audiences effectively.
Step 2: Meaning
String puppets, rod puppets, and shadow puppets are recognized types that have been traditionally used in various forms of storytelling and education.
Step 3: Analysis
String puppets (A) involve a string attached to the puppet's limbs, allowing for intricate movements.
Rod puppets (B) use rods inserted into specific points on the puppet’s body, enabling controlled movement.
Bullet puppets are not a recognized type in extension education; they might be confused with marionettes or other forms of string puppets.
Photo puppets do not exist as a distinct category; this option is likely a distractor.
Shadow puppets (E) are cut-out figures held between a light source and a screen, creating shadow images.
The correct types among the given options are A (String) and B (Rod), along with E (Shadow).
Step 4: Conclusion
Options C and D include incorrect or non-existent puppet types. Therefore, only A, B, and E correctly represent the three types of puppets used in extension education.
Final Answer: (C)