Which sentence is not a suitable correction for the run-on sentence?

i need to get to work on time it's my first day.

a.
i need to get to work on time. it's my first day.

b.
i need to get to work on time, it's my first day.

c.
i need to get to work on time; it's my first day.

clerical work ensures that an office runs smoothly. it involves the day-to-day administrative tasks of an office, such as answering phones, scheduling appointments, sending faxes, and filing documents. office clerks and secretaries need to have particularly strong clerical skills.

explanation:

see u later bae lol

pandora was the poor unfortunate soul that was tricked into letting all of the evil of the world out of the pithos (any percy jackson fans out / box.