Answer:
The answer to this question is C. Training and Development
Explanation:
Assigning Jack to a virtual mentoring group to learn about the culture of ACME global is an example of how social media helps business.
Before resumption of duties, the New employees alongside Jack would have been familiarized with the environment they will be working in and would have been exposed to some required knowledge they are suppose to have about their jobs and about the organisation itself.
Hence the scenario above is an example of how social media is used in Training and Development