B) Babalu Sobral?
From Create Your Own Story
Wrong!
Babalu did start training in Luta Livre (and eventually in Ruas Vale Tudo, which is a further development of Luta Livre). Through his carrer he went on to study other grappling arts such as Brazilian Jiu-Jitsu and Catch Wrestling.
On to the second question.
Which of the following submissions has been used successfully more than once in the UFC?