问题详情

An excellent philatelist can detect a forged______with a single glance, for a true specimen bears markings and characteristics, without exception, that the______invariably lacks.
A．painting… imitation
B．insect… approximation
C．coin… original
D．stamp… facsimile
E．treatise … falsehood请帮忙给出正确答案和分析，谢谢！