单选题 You could be ______ many dangers by traveling alone in that area.
A. subject to B. immune to C. sensitive to D. resistant to

【正确答案】 A
【答案解析】[解析] 各选项的意思为：subject to“容易遭受”；immune to“不受……影响”；sensitive to“对……敏感”；resistant to“耐……的，抗……的”。根据句意可知，答案是A。