The answer is: figure out meaning based on what you already know and what the text says
To infer something from the passage, you need to read it and able to understand the meaning of the passage without actually put too much focus on the passage.
Passage inference could be considered as a reading skills. This usually tested when you do an SAT test to measure how much information you can gather from reading a certain text within a short period of time.
The correct answer is B) "that activity can be justified by no one".
That is the only option written in formal English, as it uses correct grammar and standard English. The other sentences use informal language, as they are written the way they would be spoken: "know more and more", instead of "increasingly more", for example.
Be careful for what you wish for because you just might get it!!!
In the sentence, Franklin was swimming in the private pool, "was swimming" is a verb phrase.
