单选题 At dusk, Mr. Hightower would sit in his old armchair in the backyard and {{U}}wistfully{{/U}} lose in reminiscence of his youth romances.

【正确答案】 A

【答案解析】wistfully“渴望地，希望地”。A项hopefully“希望地”；B项reflectively“沉思地”；C项sympathetically“同情地，怜悯地”；D项irresistibly“不可抗拒地”。故应选A。