Questions 17 to 20 are based on the following interview with Lawrence Lessig, a law professor and director of Public Library of Science (PLoS, an open-access journal publisher) about intellectual property issues. You now have 20 seconds to read Questions 17 to 20.
What is special about open-access journals
A．A higher frequency of citation. B．A collection of valuable data. C．Hard-won prominence. D．Established reputation.