单项选择题
She opened her eyes with a start and was about to cry out（）she heard her father urgently telling her to keep quiet.
A.whileB.beforeC.whenD.as
单项选择题 I was not in Fuzhou last September，otherwise I（）the opening ceremony of the 5th National Special Olympic Games
单项选择题 When he woke up，he found his watch gone.It seemed that he suspected me （）it.
单项选择题 I find the lecture I attended in the Nanjing Normal University yesterday difficult（）.
