French-American artist Marcel Duchamp is perhaps the most well-known Dadaist. In 1917, his “Fountain,” a urinal laid on its back and remounted on a pedestal, was his first volley against the art market’s intellectual pretenses about art. –"Banksy and the Tradition of Destroying Art,"
Preminda Jacob

Read the excerpt. Which element of an informational text does the excerpt primarily show?

An effect of Dadaism
A thesis about Dadaism
An example of a Dadaist
A conclusion about Dadaists

C)  An example of a Dadaist

Explanation:

One of the examples of the famous artworks of Dadaist or Dadaism artworks is Marcel Duchamp's Fountain (1917).

In 1917, Marcel Duchamp submitted a urinal to the Society of Independent Artists. The Society refused Fountain because they believed it could not be considered a work of art. Duchamp's Fountain raised countless important questions about what makes art and is considered a major landmark in 20th-century art.

Here ya go...

it means that people are present over there who cares for us who loves us and we are never alone there is always a supporting hands behind us so never lose your hope and confidently move ahead to get success in your life.if you make mistakes there are people to make it correct

the answer to "what does the narrator realize by the end of the story" is b.