One Study Had Participants View Tapes of Dental Surgery After

One study had participants view tapes of dental surgery after studying a word list. This study concluded that:

A) emotional videos have no effect on memory.
B) emotional videos can enhance memory, but only for material related to the video itself.
C) emotional videos can enhance memory even for unrelated material.
D) emotional videos can enhance memory for related material, while reducing memory for unrelated material.