问题补充：
The typewriter there all week.
A. was laying on the table, were it had laid
B. was lying on the table, were it had laid
C. was laying on the table, were it had laid
D. lying on the table, had been laid
答案：
A. was laying on the table, were it had laid
B. was lying on the table, were it had laid
C. was laying on the table, were it had laid
(答案→)D. lying on the table, had been laid
解析：现在分词短语lying on the table作定语。
