a) Tianwen
b) Chiang XI
c) Mario 2
d) Tangwei
China named its first Mars exploration mission as ‘Tianwen-1’ on April 24, 2020, the day it marked the 50th anniversary of the launch of its first-ever satellite ‘Dong Fang Hong-1’ in 1970. Tianwen-1 means heavenly questions or questions to heaven.