Six-Year-Old Blair Liked the First Grade Right Up Until Her

Multiple Choice

Six-year-old Blair liked the first grade right up until her teacher, Ms. Havemayer, took maternity leave. The substitute teacher, old Mrs. Snarly, was strict and scolded Blair on several occasions, making her cry. On one Saturday morning as Blair was helping her father with grocery shopping, she suddenly came face to face with old Mrs. Snarly. Blair instantly burst into tears. For Blair, Mrs. Snarly in the grocery store is an example of a(n) :

A) conditioned stimulus.
B) unconditioned response.
C) unconditioned stimulus.
D) conditioned response.