General, neurological examinations and EEG are normal. What is the most likely diagnosis?

A 17 year old male student presents to the clinic with episodes of starring with lip smacking. He reports that he became unresponsive when he has these episodes. These episodes last for 1-2 minutes and he feels confused when he retains his consciousness. General, neurological examinations and EEG are normal.
What is the most likely diagnosis?

A-Absence seizure
B-Simple focal seizure
C-Complex focal seizure
D-Myoclonic seizure
E-Tonic-clonic seizure

Ans:A-Absence seizure