The option that explains the reason that a filmed version that uses color would be more effective than a black-and-white version of either text is: B Mendel's experiments focused on the color of the flowers of the plant, which is part of the description of the setting
It will be more logical to use the colored version of a text when discussing a topic that focuses on the colors of flowers.
This will help the reader to have a better grasp of the differences being communicated by the author. Therefore option B is right.
Learn more about colored version of text here:
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The answer is C: Moving through the darkness.
The fact the question is asking about the adventures of a guide dog or the blind entails that it probably is a form of narrative, fiction or otherwise, which means it must be written to appeal to a reader´s fancy. So the title you should be looking for in the answer is one that is enticing or captivating at first glance, in a narrative sense. Also, semantically, and considering the reason stated previously, answer C is the only one that is interpretatively connected to a guide dog or the blind narratively.
