根据对话内容,从方框中选出恰当的选项补全对话.
A:Mom ,I cannot find my pen .(1)__________
B:Is it in your pencil box
A:(2)__________ And it's not in my schoolbag .
B:Look ,it's here (3)__________
A:Thanks ,Mom .
B:(4)__________ It's late
A:Oh ,no ,Mom .(5)__________
B:They're in your hand
A:Oh ,yes Haha I can go now ,Mom .
A.It's under the table.
B.Come on ,Eric
C.Where is it
D.No ,it isn't .
E.Where are my keys