The passage is primarily concerned with(a) evaluating a method used to test a particular scientific hypothesis(b) discussing explanations for an unexpected scientific finding(c) examining the assumptions underlying a particular experiment(d) questioning the validity of a scientific finding(e) presenting evidence to support a recent scientific hypothesis

The correct answer is (B) discussing explanations for an unexpected scientific finding.

Explanation:

A serendipity is a discovery or a fortunate, valuable and unexpected finding that occurs accidentally, by chance or by destination, or when a different thing is being sought. It can also refer to the ability of a subject to recognize that he has made an important discovery even if it is not related to what he is looking for. Serendipities are frequent in the history of science. There are also cases of serendipity in literary works, when an author writes about something he has imagined and is not known in his time, and it is subsequently shown that this exists as defined by the writer, with the same details. It should not be confused with anticipation or science fiction, where much more generic inventions are advanced than almost everyone thinks they will probably exist one day.

the correct answer is b.)