Answer :
Answer:
C. proactive
Explanation:
proactive interference refers to a situation when a certain information that we remember in the past somehow interfere with our ability to obtain/remember new information.
This can be seen In Nana's situation.
The French vocabulary is the 'Old information' that Nana obtain in the past. This French vocabulary make it harder for nana to remember the new Spanish Vocabulary since her brain often mixed up the two of them.