The answer is B. "which had been slowed by the accident" is extra information that the sentence doesn't need so you put a comma before and after "which had been slowed by the accident"
A. Climax, where the story reaches the highest point of tension or interest
1. Perseus beheaded the Golden Medusa
2. He saved Andromeda from Cetus, the sea monster
3. Andromeda's uncle ploted to kill Perseus, but Perseus defeated him (using the Medusa's head).
Please mark as brainliest I dont normally say this.BUT IM DESPERATE