As a writer and reader I disagree with this. Perhaps if you are writing for a scientific journal or business report, long blocks of text can seem like you have a lot of info. Generally speaking, especially in fiction and non fiction i think unbroken pages of text will best case scenario bore a reader, worst case scenraio burden and overwhelm them with a lot of info so the feel daunted about continuing.
When they see something that look familiar, or smell something like food, and when they see some familiar face.
Like if you are in the park playing soccer, and you see some familiar dog that belong to you long time ago.
It’s B, the components are topic sentence, evidence, and explaining the evidence