Hari Budha Magar, a former Gurkha soldier from Nepal who lost both his legs, recently achieved a historic feat by doing what?

As per the information given below, the correct answer is option B. A double-amputee ex-British Gurkha soldier from Nepal Hari Budha Magar scripted history by conquering the world's highest Mount Everest with artificial legs. On Tuesday, Magar received a heroic welcome from his relatives and family members as he arrived back in Kathmandu. Addressing the people gathered at the Kathmandu airport, the former Nepalese soldier said, “This achievement is the result of collective effort, there's a team who have betted their lives to make my dream come true- ascend the Everest. I have been supported by the Government of Nepal and people from various nooks and corners of the world. Without your support, always being side by side, and blessings it wouldn't have been possible.”