GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 5IPE4ZLJ7OW7OTSKA

Even though the authors repeatedly ____________ their own shrewdness, they show a remarkable credulousness toward far-fetched ideas such as carbon-eating trees and cloud-making machinery. A. soft-pedal B. extol C. deprecate D. broaden E. compromise