关于全球眼业务，下列不属于手机视频浏览监控主要功能的是（）
A.实时视频浏览
B.云镜控制
C.录像抓图
D.GPS定位
参考答案：D
We _____ what gift we should send to our teacher when Todd came up with a good idea. [ ]
A. argued about
B. had argued about
C. were arguing about
D. would argue about
生粉团即（）的团子。
