Despite her rise to stardom she has kept both feet firmly on the _____.
【正确答案】 B
【答案解析】解析：考查习语。have／keep both／one's feet on the ground是英语习语，表示“注重实际，脚踏实地”。其他选项的词在本题中都不能构成这一特定含义的习语。