Read the following context and choose the best option to answer the question.
Context: Sinister 's calm voice interrupted the struggle . He moved round in front of Eclipse , defenceless , his hands empty . " If that 's how you feel , then OK , go for it . Go on , pull the trigger .
Question: What may have caused the struggle to be interrupted ?
Options: 
A. Someone spoke up in the middle of it .
B. Sinister was left defenseless .
C. Someone pulled the trigger .
D. Eclipse spoke up in the middle of it .


A