题目

Both of my parents worked full­time when I was a little girl，so my grandmother would stay at our house during the day. We would watch game shows in the living room. Our favorite was The Price Is Right. We would call out our answers along with the contestants.When I got older and started going to school，we couldn’t watch our game shows regularly. That was okay with me，though，because the one thing I liked better than watching game shows with my grandmother was helping her bake cakes. Watching her in the kitchen was amazing：she never seemed to need the recipes（食谱）but everythi如图，AB是⊙O的直径，点D在AB的延长线上，过点D作⊙O的切线，切点为C，若∠A=35°，则∠D=______________。