A Fellow Student in One of Your Communication Classes, Rose

A fellow student in one of your communication classes, Rose, starts acting particularly nice to you in the weeks leading up to the first exam. Classmates have frequently treated you this way in the past in the hope that you will help them study. As a result, you are suspicious of Rose's motives. In this scenario, you are likely basing your suspicions on:

A) personal experience
B) your knowledge of Rose
C) the closeness of your relationship with Rose
D) all of these