What is the central idea of Paragraph 4? Not everything in life goes according to plan. Sometimes it's best to live in the moment. Obstacles can be used as a learning tool. Some plans are made to be broken.

Not b or c so that leaves you with a or d. a is the better choice.

Ifound this on google “what are motifs? a motif is a literary term that is an idea, object, or concept that repeats itself throughout a text. a motif gives clues to theme or reinforces ideas an author wants to emphasize.” i hope this for what your looking for