Which of the Following Middle School Students Is Using the Element

Which of the following middle school students is using the element of working memory known as the phonological loop to hold information?

A) Jerita is drawing a map of the counties in her state and highlighting the counties that produce the most corn.
B) Marcus is writing an essay on the topic of his choice,and he chose to write about global warming.
C) Suri is solving an algebra problem using the model presented in her text.
D) Darrin is working with his partner to create harmony on a new piece for band.