Answer :
The text was not included here. But a probable reason to explain why the filmed version of a text will be better than the black and white version is: B) Mendel's experiments focused on the color of the flowers of the plant, which is part of the description of the setting.
If the text is discussing the color of flowers, it will only make sense to use film produced in color.
This sort of film will make it easier for the readers to identify the colored plants and their unique characteristics.
Therefore, option B is right.
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