He glanced out of the window， that the post office was still closed.
A. noted
B. having noted
C. to note
D. noting
网友回答
A. noted
B. having noted
C. to note
(答案→)D. noting
解析：非谓语动词作状语时，其逻辑主语是句子的主语。note和he之间是主动关系，所以用现在分词；又因为note的动作是紧跟在glance之后，所以不用完成式。