24.
(A) has supervised
(B) has overshadowed
(C) has imposed
(D) has castigated
(E) has retroacted

Beyond that, the triumph of recorded sounds 24 the rich diversity of technological and aesthetic experiments with the visual image that were going forward simultaneously in the 1920’s. New color process, larger or differently shaped screen sizes..... sometimes with limited success. The high costs of converting to sound and the early limitations of sound technology were among the factors that suppressed innovations or retarded advancement in these other areas. The introduction of new screen formats was put off for a quarter century, and color, though utilized over the next two decades for special productions, also did not 25 until the 1950’s.

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