．—Let’s back up. Where was I?
— .
A. You were in the kitchen.
B. You left your book at home.
C. You were having a rest.
D. You were talking about the cause.
网友回答
A. You were in the kitchen.
B. You left your book at home.
C. You were having a rest.
(答案→)D. You were talking about the cause.
解析：可联系答.案.网客服索取。