单选题It can be inferred from the passage that before 1910 the normal running time of a film was _____.A15 minutes or lessBbetween 15 and 30 minutesC1 hour or moreDbetween 45 minutes and 1 hour
单选题
It can be inferred from the passage that before 1910 the normal running time of a film was _____.
A
15 minutes or less
B
between 15 and 30 minutes
C
1 hour or more
D
between 45 minutes and 1 hour
参考解析
解析：
根据文章第三段第四句可知，1910年以前，传统的影片时长为“one reel”，又根据下文“the unprecedented length of four reels, or one hour’s running time”，可以推断出，一盘长的影片时长大约是15分钟，因此A项符合题意。
根据文章第三段第四句可知，1910年以前，传统的影片时长为“one reel”，又根据下文“the unprecedented length of four reels, or one hour’s running time”，可以推断出，一盘长的影片时长大约是15分钟，因此A项符合题意。
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