Read the sentences from paragraph 2.

When Clemens boarded the steamboat in 1857 to New Orleans, his dreams of South America began to fade as light does when the sun sets. Each day on the water, a childhood dream—to pilot a Mississippi steamer—grew stronger.

Why does the author use the simile “as light does when the sun sets” to talk about Clemens’s dreams of South America?to show that Clemens’s dreams were unclear
to show that Clemens’s dreams were unclear

to show that Clemens’s dreams slowly went away
to show that Clemens’s dreams slowly went away

to show that Clemens’s dreams suddenly returned
to show that Clemens’s dreams suddenly returned

to show that Clemens’s dreams were impossible to reach
to show that Clemens’s dreams were impossible to reach