【正确答案】 A

【答案解析】解析：Richard Lion-Heart is the nickname of Richard I, the king of England between 1189 and 1199. Although he reigned for nearly 10 years, he spent less than a year in England. The rest of the time he was fighting abroad, particularly in a series of battles known as the Crusades. He was a great soldier and earned the nickname "Richard Lion-Heart".