GRE Text Completion: Kaplan-GRE填空Kaplan - A56B127__4408EO7_

Some scientists ____________ that by sensing a change in barometric pressure or electricity, certain species of fish may be able to portend seismic events; just before a recent earthquake, several fish were observed leaping into the air from the ocean. A. repudiate B. authorize C. foresee D. hypothesize E. question F. contend