(2013·辽宁，28)Laura was away in Paris for over a week.When she got home，there was a pile of mail for her.
A. waited
B. to wait
C. waiting
D. was waiting
网友回答
A. waited
B. to wait
(答案→)C. waiting
D. was waiting
解析：考查非谓语动词。此题there be句型的主语mail后接后置定语，wait与mail间为主动关系，且wait这个动作正在进行，故选C，现在分词。