Which sentence emphasizes the importance of one idea over the other?

Sasha loved thunderstorms. She liked how the sky lit up with lightning. She would count the seconds between the lightning and the thunder, and she would shout out the number. As soon as the first drops fell, she ran outside. She liked to stand there with her mouth open to catch the raindrops on her tongue.
A.
Sasha loved thunderstorms.
B.
She liked how the sky lit up with lightning.
C.
She would count the seconds between the lightning and the thunder, and she would shout out the number.
D.
As soon as the first drops fell, she ran outside.