Which is the effect of the animated graph in the video about military families?

A. It illustrates that the pressures put on military families are related to length
of deployment.

B. It suggests that the challenges faced by military families are many, varied,
and very common.

C. It adds a bit of entertainment to an otherwise sobering set of facts and
details.

D. It reminds viewers of similar pressures in their own lives, and therefore helps them relate.​