What word best describes the “turn” that is part of the hourglass organization style?

Question

A: Transition***
B: Leap
C: Conclusion
D: Introduction

I narrowed down the ones I think are wrong but can you still check my answer please.

Answer 1

Yes, transition

Answer 2

transition is correct, because transition means the process or a period of changing from one state or condition to another.
"students in transition from one program to another"