On a Mac running OS X Mountain Lion, how can you display a list of installed software updates?

A.
Open System Information, click System Report, and then in the sidebar under Software, click Installations.

B.
Open Software Update preferences and click Installed Software.

C.
Open Installer, choose Show Files from the File menu, and then in the Files section under /var/log/, select install.log.

D.
Open Software Update and click Receipts.