Dubbing
Explanation:
<u>It is a common technique used in cinema to paste one person's voice over another to produce a desirable effect including the emulation of a proper voice for a specific role as is the case here.</u>
This was done to be as authentic about Welles' voice as was possible and not to break the immersion of the audience watching the film and familiar with Orson Welles.
B. To study changes over time
Answer:
C is the correct answer under my understanding.
Explanation:
