All passages below, extracted from the article, contain a relative clause and a relative pronoun (underlined), EXCEPT: a) “it used circuitry that ...

All passages below, extracted from the article, contain a relative clause and a relative pronoun (underlined), EXCEPT:

a) “it used circuitry that was only seven nanometers wide” (paragraph 11)
b) “Experts are still assessing how China apparently leapfrogged ahead” (paragraph 1)
c) Eric Schmidt, the former Google chief executive who went on to lead the National Security Commission on Artificial Intelligence” (paragraph 4)
d) China has turned out to be one of the few issues on which Republicans and Democrats can come together (paragraph 7)
e) ‘China’s main, state-supported chip maker cleared a major technological barrier that delivered a bit of a shock to the world.” (paragraph 1)