Jamal Is Trying to Buy Something Over the Phone

Multiple Choice

Jamal is trying to buy something over the phone.He asks his partner to read him his credit card number.However,when he tries to repeat it to the sales clerk on the other end of the line,he can't remember all the numbers.Jamal is coming up against:

A) anterograde amnesia.
B) the curve of forgetting theory.
C) Miller's magical number 7,plus or minus 2 STM span.
D) retroactive interference.