Choose the most appropriate option opposite in meaning of the underlined word.
The engineers have been urged to make a prototype of the long-awaited Nigerian car.
The correct answer is: B
Explanation
A prototype is an early or preliminary version of a product, used as a model to test concepts. The opposite of this would be the original or final version, as a prototype is not the finished product.
Specimen refers to an example or sample, which is similar in meaning to a prototype. Copy refers to a duplicate. Drawing refers to a sketch or design.