如图，⊙E的圆心E（3，0），半径为5，⊙E与y轴相交于A、B两点（点A在点B的上方），与x轴的正半轴交于点C，直线l的解析式为y= $\frac{3}{4}$ x+4，与x轴相交于点D，以点C为顶点的抛物线过点B．

⑴Are these your shoes?  ____          A. It's a T-shirt.

⑵What are these ? ____                   B. They are keys.

⑶What is this? ____                         C. Yes, they are.

⑷Is this your blue shirt?  ____         D. It's Jenny's.

⑸Whose sweater is this?____          E. No, it's not.