Living here at the top of the mountain with no one else near, th

Living here at the top of the mountain with no one else near, the old man must be very ( ).
A、only
B、alone
C、lone
D、lonely
【正确答案】：D
【题目解析】：lonely和alone的区别，lonely 精神的孤独，alone 个体的独处，句子含义为住在无人的山顶，他一定很孤独。