What’s full name of “the Belt and Road”？

What’s full name of “the Belt and Road”？
A.The Silk Road Economic Belt
B.The 21st-Century Maritime Silk Road
C.The acient Silk Road
D.The Silk Road Economic Belt and the 21st-Century Maritime Silk Road
正确答案：The Silk Road Economic Belt and the 21st-Century Maritime Silk Road