ohya ! ! if ur wondering .. the office is empty .. cause is saturday night .. and we ' OWNED ' the WHOLE OFFICE lol ! ! ! ! reached homed at 2 am ... .

Available options:
(a). They were out of town .
(b). None of the above choices .
(c). They were partying with their coworkers .
(d). They were working late .
Q: What may be the reason for them getting home at 2 am ?
(c).