In_a_rotary_drum,_the_cake_is_discharged_by_________$

• A. Doctor‚Äö√Ñ√∂‚àö√ë‚àö¬•s knife
• B. Athlete‚Äö√Ñ√∂‚àö√ë‚àö¬•s head
• C. Prank‚Äö√Ñ√∂‚àö√ë‚àö¬•s Tip
• D. Eject tool