WHICH_OF_THE_FOLLOWING_IS_AN_INVERSION_OF_A_DOUBLE_SLIDER_CRANK_CHAIN??$

• A. Oldham‚Äö√Ñ√∂‚àö√ë‚àö¬•s coupling
• B. Elliptical trammel
• C. Scotch yoke mechanism
• D. All of the mentioned