Raj is having trouble remembering whether he actually saw a White van speeding away from the scene of the bank robbery or whether he just heard other people talking about a White van. Raj is having...

Raj is having trouble remembering whether he actually saw a White van speeding away from the scene of the bank robbery or whether he just heard other people talking about a White van. Raj is having difficulty with
a. composite memory.
b. verbalization effects.
c. storage.
d. source monitoring.