A Child Listens to the Sound of the Letter K

A child listens to the sound of the letter k and watches the teacher write the letter k on the chart paper. Then the teacher tells the child to recall the character in yesterday's story who has a name that begins with the sound made by the letter k. Which of the following best describes the element or process of working memory being used?

A) Phonological loop
B) Visuospatial sketchpad
C) Automaticity
D) Episodic buffer