It is surprising in that people in twenties wore such kind of clothes.
A. 1960s; their
B. the 1960s; /
C. 1960; /
D. the 1960s; their
网友回答
A. 1960s; their
B. the 1960s; /
C. 1960; /
(答案→)D. the 1960s; their
解析：本题的含义为在20世纪60年代20多岁的人穿这种衣服是令人感到诧异的，in the+年代的复数，表示多少世纪多少年代的含义，本题中的in the 1960s表示20世纪60年代的含义，in one’s+20以上整十的复数，表示非具体的年龄，本题中的in their twenties表示20几岁的含义，故本题选D。