At the start of the 20th century, the new art medium of “moving pictures” was unveiled, but it remained a debatable topic until Walt Disney synchronized motion picture with sound, color, animated character and fluid motor skills.
A. appeared, made motion picture, sound, color, animated character and fluid motor skills happen at the same time.
B. discovered, combined motion picture with sound, color, animated character and fluid motor skills
C. iterated, made motion picture, sound, color, animated character and fluid motor skills happen at the same time.
D. resigned, combined motion picture with sound, color, animated character and fluid motor skills