Hi! I'm a little confused why the negation test works for D. Supposing that the entrapment of dire wolves didn't most frequently occur when they were hunting or scavenging, it could still be the case that it occured somewhat frequently (say, 40% of the time when wolves get entrapped, they were hunti...

Since D only claims that glass flows "under its own weight", I think it is actually better supported by the beginning of paragraph 3, which tell you that even solid glass flows, just extremely slowly. If even solid glass flows, it's unlikely that glass at transition temperate does not flow...