Roni Harris Is a College Student in the Business Department

Roni Harris is a college student in the business department of her local university.She came in to college thinking she wanted to become an Accounting major,but discovered that she is interested in product marketing and in sales.
-Roni is interviewing for a job in sales of a business-to-business application sold by subscription.During the interview,the interviewer asks her to tell him about a time she partnered with another person or group to achieve the other party's goal.Which example should Roni tell the interviewer?

A) Roni sold her used textbooks to a friend who was taking a course Roni had taken the previous semester.
B) Roni audited the books of the Investment Club to make sure they were calculating earnings,interest,and fees correctly.
C) Roni speaks Mandarin to the server at her favorite Chinese restaurant so the server will understand her more easily.
D) Roni watched her track teammate run to analyze her gait so the teammate could choose and purchase the best shoes for her stride.
E) Roni organized an art show of the homeless children's artwork to show what the children can do.