Which of the sentences is written correctly?
A.
Before planning out a trip overseas it’s good to have, a passport and know a foreign language.
B.
Before planning out a trip overseas it’s good to have a passport and know a foreign language.
C.
Before planning out a trip overseas, it’s good to have a passport and know a foreign language.
D.
Before planning out a trip overseas. It’s good to have a passport and know a foreign language.