The Fact That Participants in Sperling's Experiment Could Report Any

Multiple Choice

The fact that participants in Sperling's experiment could report any stimulus flashed in their visual field if cued to do so within half a second,this suggested that

A) our short-term visual memory is virtually perfect.
B) we need half a second to process new incoming information.
C) it takes roughly half a second for our dominant hemisphere to interpret a visual stimulus.
D) the length of iconic memory is about half a second.