“or was it the other way around”的意思是“In the opposite position or direction”。结合前一句内容,是Siham描述街道样子时的内心活动:“门牌号从北向南排,名字从东向西牌,或者还是反过来的呢?”体现了Siham对周边环境已经有了大致了解,但是还有细节上不确定,所以对应A选项的still figuring out the details。
B选项anxious无中生有;C选项opposite of what she is used to无中生有;D选项frustrated无中生有。