问题
选择题
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
答案：D
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。
