The answer I would go with is "C". Why do I say this? If one family member is affected by something so will the other family members.
I think it is B i could be wrong tho
The graphic that will best display the data is a pie chart. The keyword here is "proportion". Since the technical writer wants to show the proportion of hurricanes that have hit each of the Gulf Coast states between 1900 and 2005, a pie chart will be useful to show that data. It will be able to show data in terms of percentages of a whole.
