It allows you to focus on a single thought or idea which naturally prevents distraction from other random ideas,thoughts or emotions
In this text, you are informed on what the term "Sandwich generation" means. You are then provided an example (2nd sentence). The example can be found when the transition word <em>for instance</em> is used. From this information, you should be able to conclude that the correct answer is a. definition and example.
C.
Because when there is a crime scene fingerprints might be more important than a shoe.
