Which of the Following Scenarios Best Illustrates the Definition of the Term

Which of the following scenarios best illustrates the definition of the term forgetting ?

A) Chris is finding it increasingly difficult to remember the Latin vocabulary he learned in high school.
B) Mary daydreams about the young man who sits in front of her in Latin class; later, she does not recognize many of the vocabulary words on the exam.
C) Irina knew her Latin vocabulary very well but was too stressed during the exam to complete the questions in time.
D) Barry was in an automobile accident that impaired his ability to access certain memories, including the Latin vocabulary he had learned prior to the accident.