The correct answer is - A) Hernando de Soto.
Hernando de Soto was one of the most noticeable and influential conquistadors. He was included in the exploration missions in Central America, explored Yukatan, was trying to find a suitable place for passage from the Atlantic Ocean to the Pacific Ocean.
De Soto was also part of Pizarro's exploration in South America and the conquest of the Incas, which brought him a lot of wealth. But he was a very ambitious man, and he was never satisfied, so he continued with his explorations and conquests. Eventually that led him to the south of what is now the USA, managing to explore and conquest numerous territories in the region.