I chose E but the OA is D...why?

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The argument requires the assumption that
(A) Clark parts are available only in this country
(B) foreign-made parts are not suitable for cars manufactured in this country
(C) no foreign-made parts satisfy our government standards
(D) parts that satisfy our government standards are not as poorly constructed as cheap foreign-made parts
(E) if parts are made for cars manufactured in our country, they are not poorly constructed





And plz explain this question
OA is D

Even if a crime that has been committed by computer is discovered and reported, the odds of being both arrested and convicted greatly favor the criminal.
Each of the following, if true, supports the claim above EXCEPT:
(A) The preparation of computer-fraud cases takes much more time than is required for average fraud cases, and the productivity of prosecutors is evaluated by the number of good cases made.
(B) In most police departments, officers are rotated through different assignments every two or three years, a shorter time than it takes to become proficient as a computer-crime investigator.
(C) The priorities of local police departments, under whose jurisdiction most computer crime falls, are weighted toward visible street crime that communities perceive as threatening. serve time
(D) Computer criminals have rarely been sentenced to in prison, because prisons are overcrowded with violent criminals and drug offenders.
(E) The many police officers who are untrained in computers often inadvertently destroy the physical evidence of computer crime.