单选题
After they did the experiments, they found______.
A、
both their watches were good
B、
neither of their watches could tell the correct time
C、
there was something wrong with the German watch
D、
there was nothing wrong with the Japanese watch
【正确答案】
B
【答案解析】
[考点] 细节题
[解析] 从文章第二段第一句They could see there was something wrong with both watches．得知，实验后两只表都不能确定准确时间了。
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