Which of the following accurately describes the relationship between a person's point of view and biases?

a. a person's biases play a role in shaping the person's point of view.
b. a person's biases create historical context for the person's point of view.
c. a person's biases are typically the opposite of the person's point of view.
d. a person's biases cannot be changed like a person's point of view can.