Among the Merits of Why Acting in a Socially Responsible

Among the merits of why acting in a socially responsible manner is "good business," what remains to be proven in practice?

A) Companies with good reputations for contributing time and money to bettering society are better able to attract and retain employees compared to companies with tarnished reputations.
B) That there is a high correlation between socially responsible behavior that addresses social issues and a firm's competitive advantage and financial performance.
C) To the extent that a company's socially responsible behavior wins applause from consumers and fortifies its reputation, a company may win additional patronage.
D) Operating in a socially responsible manner protects the company from consumer, environmental, and human rights activist groups that are quick to criticize businesses whose behavior they consider to be out of line.
E) Well-conceived social responsibility strategies help avoid or preempt legal and regulatory actions that could prove costly to the company.