GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 33RL5HMM9VT0N3Q9A

That Seiberg and Witten lack celebrity can be explained by the ____________ nature of their pursuit: the mathematical exploration of four-dimensional space. A. pedestrian B. esoteric C. compelling D. global E. unequivocal