This question has options. Answer the question about text:

After an initial challenge , we thought both sides agreed that any kind of fight was out of the question and would only end up with people harmed . So , we backed down . When we left , the US soldiers were still waiting outside the elevator . They let all of of pass , and just stared at us as we walked by .

Why may have the narrators backed down from the scene ?
Choose from: a). They wanted to keep people from being harmed .; b). They wanted to get out of the elevator .; c). They wanted to get a pass from their superiors .; d). None of the above choices .;
a).