You work as the enterprise exchange administrator at company.com.the company.com network consists of a single active directory domain named company.com.company.com has an exchange server 2010 organization.a new company.com security policy prohibits the employees to send certain words in internal e-mail communications.what should you do？（）

• A、the best option is to change the properties of a send connector to comply with the company.com security policy.
• B、the best option is to set up a content filtering feature to comply with the company.com security policy.
• C、the best option is to create a transport rule to comply with the company.com security policy.
• D、the best option is to set up a sender reputation feature to comply with the company.com security policy.