What is the opposite of facsimile?

What is the opposite of facsimile?
Past Papers: Punjab Police Assistant Sub Inspector — Past Paper MCQs
A: Engineered work
B: Fact-Finding
C: Original
D: None of these

Original is the opposite of facsimile which means a copy. This question tests vocabulary skills in English exams. Facsimiles replicate documents while originals are authentic. Antonyms clarify meaning in technical contexts.