What was the original name of the expressway from Zhengzhou to Shirenshan (now Yaoshan) when it opened in 2007?

A. Zhengzhou–Luanchuan Expressway
B. Henan S88 (Zhengzhou–Xixia Expressway)
C. Zhengshi Expressway (Zhengzhou–Shirenshan)
D. Zhengyao Expressway (Zhengzhou–Yaoshan)
Answer: 