Answer: The best statement has to be C) It makes ethical and emotional appeals to encourage bystanders to take action.
Explanation: The reason why it has to be the best statement is that it is more inclusive; it is not setting a limit on who are the people that can actively participate and get involved as it is mentioning ’bystanders’ as the main subjects of the statement.
It is also a simple approach to the issue and can be easily understood.