According to Baddeley and Hitch's (1974) Model of Working Memory

According to Baddeley and Hitch's (1974) model of working memory, working memory consists of a central executive that stores information and two temporary systems, one for coding verbal information and another for coding visual information. What are these two systems called, respectively?

A) the auditory loop and the visual loop
B) the articulation feedback loop and the visual-sighted loop
C) the articulatory loop and the visuospatial scratch pad
D) the auditory spatial retrieval loop and the sighted scratch pad