GRE Text Completion: JiJing 1373-GRE填空机经1373题 - ND8E2OX7UXYLGS73A

Many innovative breakthroughs come about when people venture beyond their own areas of expertise, because often it takes an outsider to ask the naïve question that may yield ____________ solution. A. a constructive B. an unconventional C. an amicable D. an agreeable E. a practical F. an original