I chose C at first
however, i will attempt to explain the OA.
T-For Centuries, oceans and human eccentricity have been linked...
European Renaisssance probably caused such linkage
S-Nah-oceans have always been linked to eccentricty
They are disagreeing about the time when they were linked
A-OS, stated by Tina but not disputed by Sergio
B-OS, Stated by Sergio but but not disputed by tina
C-opposite of what Tina says, however not disputed by Sergio. Not disputing about cause, they are disputing about time.
D-opposite of what both say
E is best