(D) The police department generally gives the criminal cases that it expects to be the easiest to solve to its lowest-ranking detectives.
(E) None of the lowest-ranking detectivesin the police department had experiecne in solving critninal cases prior to joining the police deparment.
5. Imgation runoff from neighboring farms may well have increased the concentration of phosphorus in the local swamp above previous levels, but the claim that the increase in phosphorus is harming the swamp’s native aquatie wildlife is false: the phospborus concentration in the swamp is actually less than that found in certain kinds of bottled water that some people drink every day.
The argument is vulnerable to criticism on the ground that it
(A) makes exaggerations in formulating the claim against which it argues
(B) bases its conclusion on two contradictiry claims
(C) relies on evidence the relevance of which has not been established
(D) concedes the very point that it argues against
(E) makes a generalization that is unwarranted because the sources of the data on which it is based have not been specified.