Which Is the Best Example of Using Dual Processing

Which is the best example of using dual processing

A) Carlos loves the soda commercial jingle. But he chooses not to drink it because of concerns about weight and tooth decay.
B) Vera is able to cook supper and keep track of her son's homework progress at the same time.
C) Marcus is able to drive a car and nod his head to his favorite song on the radio.
D) Agnes is both an excellent abstract painter and an outstanding mathematician.