Which of the Following Most Closely Mimics the Process of Transduction

Which of the following most closely mimics the process of transduction?

A) Betty mixes eggs, flour, and sugar together to make a cake.
B) While painting, Stan combines the colours red and blue to make purple.
C) Gas companies convert crude oil into a fuel that car engines can run on.
D) Nike changes its logo from a "swoosh" to a "panther".