下图中①②③④表示不同等级的天体系统，下列选项中名称对应正确的是(　　)

A．①—月球系

B．②—太阳系

C．③—总星系

D．④—银河系

--This is the first time I ____ pictures with my own camera.

--It’s time that you ___ a picture of me.

A．took; took

B．took; will take

C．have taken; took

D．will take; have taken