An Electroencephalograph (EEG)is Recording Juan's Brain Activity,and the Recording Is

Multiple Choice

An electroencephalograph (EEG) is recording Juan's brain activity,and the recording is currently dominated by delta waves.At the same time,there are a series of beeps from one of the other machines.Which of the following is likely

A)  There will be no change in the EEG, and Juan's sleep will not be interrupted. 
B)  There will be a sleep spindle recorded on the EEG at the time of the beeps. 
C)  The noise of the beeps will be incorporated into the dream Juan is currently experiencing. 
D)  The beeps will wake Juan from his relatively light sleep.