The second step in identifying conflict in a story is figuring out
who the main character is.
what the main character wants.
where the story is happening.
what all the characters want.

B. What the main character wants.

Explanation:

A story planner has 4 main parts: Introduction, Build-Up, Conflict, Solution.

Introducing the main character (Answer A: Who is the main character is) is a subpart in Introduction, NOT in Conflict.

The setting is the location of the action (Answer C: Where the story is happening) is a subpart in Build-Up.

Answer B and D - what the main characters and all the characters want - is the content of the 3rd part in a story planner. The question is which of these (B or D) is the second step. May be we must identify the general information first, so the answer D is the first step, and the answer B is the second.

B   it is b i did test