贵州-ManyoftheupperclassacquiredsomefamiliaritywithEnglish,forinstance,.

['A. William the Conqueror made an effort to learn English in his forties.', 'B. William the Conqueror had a high proficiency in English.', 'C. Henry II understood English and spoke English fluently.', 'D. Henry II’s wife could communicate freely in English.']