In the murder case, the suspect ______ all the charges against him, so the police had to collect new evidence and ______ new strategies to prove that he was guilty of the crime. [ ]

A. refused; employ  

B. rejected; apply  

C. denied; employ  

D. turned down ; use

若用一个正方形在某个月的日历上圈出9个数的和为126，则这9天中的第三天是（     ）