After her son died in a car accident the old lady would sit at the window out and in t

问题补充：

After her son died in a car accident, the old lady would sit at the window, out and in thought.

A. looked; lost

B. looking; losing

C. looked; losing

D. looking; lost

答案：

A. looked; lost

B. looking; losing

C. looked; losing

(答案→)D. looking; lost

解析：考查非谓语动词。第一空look与主语the old lady为主谓关系用现在分词作状语；第二空be lost in 沉浸在句意：在儿子死于车祸后老人经常坐在窗前向外看沉思着。