What question should readers ask to understand the rising action of "Beautiful Bellandia"?

What is the main character's name?

When will Alex choose to return to Bellandia?

What will Rin and Sora do when they realize Alex is gone?

How do Rin and Sora react when Alex warns them about the ships?

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To understand the rising action of "Beautiful Bellandia", readers should ask 'What will Rin and Sora do when they realize Alex is gone?'

Answer: Option B

Explanation:

Rising action of any story are the incidents which generates suspense, or interest or tension in a plot which in turn leads to climax.

So in order to understand the rising action of Beautiful Bellandia, readers should mostly ask,'What will Rin and Sora do when they realize Alex is gone?' This question leads to a suspense in the minds of readers which further develops the interest of what's next?!

The other mentioned questions on the other hand do not necessarily make us understand the rising action.