Read the following passages and choose the correct options that can replace the underlined portions. The investigator went \[\underline{\mathbf{Q1}}\] his employer, \[\underline{\mathbf{Q2}}\] his findings. The result \[\underline{\mathbf{Q3}}\] his investigation caused the dismissal \[\underline{\mathbf{Q4}}\] three senior personnel. A further inquiry \[\underline{\mathbf{Q5}}\] the matter was ordered.

• A.  for                        
• B.  with   
• C.  to                          
• D.  away