Students in a Psychology Experiment Were Exposed to Three Nonsense

Students in a psychology experiment were exposed to three nonsense syllables for a very short period of time and then asked to recall them.If the instructions to recall the syllables came immediately,the students were usually successful.If the instructions came even one second after the syllables were shown,the students were much less successful.The MOST plausible explanation for this phenomenon is that,in the latter case,_____________.

A) the icon never made it to the sensory registers
B) the icon was already stored in short-term memory
C) the icon faded after being stored in short-term memory
D) the icon faded before being stored in short-term memory