A、They started to share dog-shaming photos.
B、They began to blame their own dogs,
C、They began to read stories about dogs.
D、They started to show sympathy for his dog.
答案是:A
解析：【答案】 A
【考情点拨】事实细节题。
【应试指导】根据文章第二段“‘ dog shaming ’ has become popular on the internet , as owners around the world posted beside notes shots of their trembling pets in which the dogs seemed to admit bad behavior ”可知，人们看到
Robert 的视频后，开始在网上分享狗内疚的表情的图片。
