In High School,Deanna Took Three Years of Spanish

In high school,Deanna took three years of Spanish.Upon enrolling in college 10 years later,she registered for a remedial French course.When required to speak in French during class discussion with her teacher and classmates,Deanna frequently responds with Spanish words instead of French words.This is one example of

A) blocking.
B) decay.
C) proactive interference.
D) retroactive interference.