PT 13 S2 Q24

A certain airport security scanner designed to detect explosives in luggage ... ...

The reasoning in the argument is flawed because the argument
(A) ignores the possibility of the scanner's failing to signal an alert when the luggage does contain an explosive
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Flawed Reasoning" Questions, Set 3 - Mix (25Q)