Explanation:

Kidambi Srikanth achieved a historic feat by becoming the first Indian male shuttler to win a silver medal at the BWF World Championships in 2021, which took place in Huelva, Spain. Therefore, option C is correct. Option A, Lakshya Sen, also performed commendably at the same event, securing a bronze medal. Options B, Pranay Kumar, and D, Parupalli Kashyap, are notable Indian badminton players but did not win the silver medal at the 2021 World Championships. Thus, A, B, and D are incorrect regarding this specific achievement.