Something I just discovered by accident, that's pretty cool. I'm not entirely sure whats going on and didn't find reference in the help file. Note - you cannot do this by selecting a body from the Solid Bodies Folder or using a filter, but must click on the feature tree.
I'm guessing it just selects the faces created by the feature. I've tested with Boss Extrudes, Cut-Extrudes and Boundary Bosses. Didn't work on a surface extrude but pretty crazy hey?