GMAT Sentence Correction (SC) | Re: The thirteen original British colonies in North America,

The thirteen original British colonies in North America,some formed as commercial ventures, others as religious havens, each had a written charter that set forth its form of government and the rights of the colonists.

A) some formed as commercial ventures, others as religious havens, each had a written charter -- Correct -- by POE
B) some being formed as a commercial ventures, others as religious havens, all of which had written charters -- No verb-- fragment
C) some that as commercial ventures,
...

---