A rhetorician who spends so much of his time studying the famous________of logic is more than likely to produce a few self-evident statements of his own.

A．Adaptive Visual Metamorphosis in Deep-Sea Vent Crabs
B．Aspects of the General Anatomical Development of Deep-Sea Vent Crabs
C．New Research Directions in the Study of Deep-Sea Vent Crabs
D．Common Features of Optics of Lower Depth Oceanic Animals
E．Patterns of Anatomical Transformation in Lower Oceanic Creatures

A．conviction ... apprehension
B．apathy ... ignorance
C．disparity ... discord
D．consensus ... disagreement
E．suspicion ... hesitancy