For versions of SiteScope earlier than 9.x, what is a supported upgrade path to SiteScope 11.0?

A.
There is no supported upgrade path.
B.
first upgrade to SiteScope 9.x, then to SiteScope 11.0
C.
first upgrade to SiteScope 10.x, then to SiteScope 11.0
D.
first upgrade to SiteScope 9.x, then to SiteScope 10.x, then to SiteScope 11.0