那篇著名的将半导体行业专利申请热的文章,有一个问题问的是文章的main idea
GWD选的A:a study suggesting that the semiconductor industry’s approach to patenting during the period from 1982 to 1992 yielded unanticipated results
而prep选的C: the connection between patenting and innovation in the semiconductor industry during the period from 1982 to 1992