语法与词汇 75.I'm afraid there are people in the world who literally do not know how to boil water.
【正确答案】 B
【答案解析】literally的意思是“实际上”，根据句意应该是与“文学”无关。liberally“慷慨地，自由地”；actually“实际上”；theoretically“理论上”；solely“仅仅，完全”。literally与actually意思相近，故选B。