This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to use social media to aid weight loss
Find a weight loss community.
One of the biggest benefits that social media has for weight loss is that it helps build a sense of community support for users. You're connected with thousands of others who are also looking to lose weight.

Choose from:
(A). Start a support group or group that you and friends and others share to help keep everyone together. You can join or get information about the group on your own and alone..
(B). In order to have online support, there are a number of weight loss groups. Including these meetings can help you meet new people..
(C). Search for communities offered by the internet. People with social media accounts can find and support as much as they can..
(D). Check out sites like weight loss buddy, sparkpeople, and diet.com, which are weight loss sites with a strong community. One study in particular found that those people who " friended " others and checked in more regularly lost 8% more weight than those that didn't..
The answer is:
(D).