A. his reports covered the confidential informatio
B. the three murder cases all involved elderly wome
C. all the victims had some similarities with his late mothe
D. he wa responsible for the disappearance of a wome

A. is always accurate and reliabl
B. is proved to be inaccurat
C. may sometimes show inaccurac ?
D. has helped end doping in spor
A. 1 : 1.
B. 2.5 : 1.
C. 3.3 : 1.
D. 4.5 : 1.