Your Textbook Discussed the Research on Release from Proactive Interference

Your textbook discussed the research on release from proactive interference in working memory. One study used five different categories of words, such as fruits and occupations. The results of this study indicated that

A) encoding in working memory is almost exclusively acoustic.
B) long-term memory can supplement the acoustic basis of working memory.
C) material in working memory can be stored in terms of meaning.
D) material in working memory that has been stored in terms of sound is easier to recall after a brief delay, compared to material that has been stored in terms of meaning.