这不是你的裙子么

Keke was watching the cartoon. The characters were talking to each other. Dad spoke to son,"这不是你的小熊么？" Keke then confused, she told LP and insisted that,"这不是他的小熊。" LP then asked Keke about her skirt, "这不是你的裙子么?". Keke turned out understand what “反问句”'s meaning.