I cannot find a way to prevent Android Studio from automatically loading the last project in use. I want it open me the beggining window with the list of projects available and
If the project that is being reopened is causing android studio to stop responding you may not be able to get to the dialog. I got round this by deleting
~/Library/Preferences/AndroidStudio3.3/options/recentProjects.xml
This allowed me to temporarily start android studio without reopening the offending project, and then permanently disable the reopening feature using the dialog others have mentioned