What Primary Advantage Did Greek Culture Offer to Non-Greeks

What primary advantage did Greek culture offer to non-Greeks?

A) It introduced philosophical rationalism, which permitted non-Greeks to become self-critical of their own cultures.
B) Greek became the language of commerce and politics, and learning Greek allowed non-Greeks access to a wide array of activities.
C) It brought a new approach to nature, which opened nature to scientific investigation.
D) Greek literature introduced the epic poem to non-Greeks and provided them a form in which to preserve the knowledge of their ancestors.