Which of the Following Would Be the Best Example of Primary

Which of the following would be the best example of primary control?

A) You and your friends decide as a group to spend a day at the amusement park.
B) You choose to paint your house yellow after your partner tells you about her strong preference for yellow.
C) You cook spaghetti and meatballs because your parents are in town and it is their favorite dish.
D) You return a computer game to the local computer store because it did not excite you as much as you wanted it to.
E) You buy a dog as a pet.