What is the default storage location of user-level bookmarks in an IOS clientless SSL VPN?

What is the default storage location of user-level bookmarks in an IOS clientless SSL VPN?
A. disk0:/webvpn/{context name}/
B. disk1:/webvpn/{context name}/
C. flash:/webvpn/{context name}/
D. nvram:/webvpn/{context name}/