X线示：视神经孔扩大，伴管壁硬化，密度增高，诊断为（）
A．视神经脑膜瘤
B．视神经胶质瘤
C．视盘黑色素瘤
D．以上均可出现
E．以上均无
参考答案：A
After a short rest, they ________. [ ]
A. went on to work
B. went on working
C. went on work
D. went on with work
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