The thing that should be done with information that is not understood is to A. Review it later.
This refers to the skimming and scanning of a text to grasp the content and the main ideas contained therein.
Hence, we can see that from the marked information that the reader does not understand, the next step would be to review it later which is option A.
Read more about reading here:
https://brainly.com/question/24836026
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