The correct answer is (d). China is constructing the One Belt One Road (OBOR) initiative. It is a development strategy that focuses on connectivity and cooperation between Eurasian countries. The OBOR initiative includes the Silk Road Economic Belt and the 21st Century Maritime Silk Road. The Silk Road Economic Belt is a land-based route that connects China to Europe through Central Asia and the Middle East. The 21st Century Maritime Silk Road is a sea-based route that connects China to Southeast Asia, South Asia, the Middle East, and Europe. The OBOR initiative is a major undertaking that will have a significant impact on the global economy.
India is not constructing the OBOR initiative. India has expressed concerns about the OBOR initiative, as it believes that the initiative could lead to Chinese dominance in the region. Pakistan is a participant in the OBOR initiative. Bangladesh is not a participant in the OBOR initiative.