In the Parable of the Good Samaritan (Luke 10:25-37), what key aspect of 'love of neighbor' is emphasized beyond mere charitable acts?

A The importance of giving money to the poor and needy. B The necessity of adhering to strict religious laws and rituals when helping others. C The willingness to cross cultural, social, and religious boundaries to show compassion and practical help to anyone in need. D The expectation that those who receive help will reciprocate with equal acts of kindness in the future.