Which type of elevation dataset will create the most accurate flood zones?

An ArcGIS user needs to create a map of flood zones for an insurance company.

The user has a choice of four elevation data sets to perform the analysis

• SRTM 90-meter DEM

• Lidar 5-meter DEM

• 30-meter DEM derived from stereo imagery

Which type of elevation dataset will create the most accurate flood zones?
A . USGS 30-meter DEM
B . USGS 30 meter DEM
C . SRTM 90 meter DEM
D . Lidar5-meter DEM
E . 30-meter DEM derived from stereo imagery