---- How did her family feel when you visited them?
---- My ing the happiness of her family.
A. added up to
B. added up
C. added
D. added to
网友回答
A. added up to
B. added up
C. added
(答案→)D. added to
解析： 考查短语辨析：added up to 总计为，added to 增加，增添，句意：当你拜访他们的时候你的家人感到怎样？我的到来增加了她的家人的快乐。故选D。