单选题 Unfortunately, the woman's hat ______ my view of the stage.
A. blocked up B. obstructed C. prevented D. interfered

【正确答案】 B
【答案解析】obstruct阻碍，阻挡；block妨碍，阻塞，及物动词；prevent阻止，妨碍； interfere干涉，干预，不及物动词，常与in/with连用。