19. What does the author discuss in this article?
(A) Actions to halt criminal activity.
(B) Errors made by one country’s military.
(C) Proposals that confused an official agency.
(D) Recently-built jails with good security.
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統計: A(26), B(4), C(2), D(1), E(0) #3433560
統計: A(26), B(4), C(2), D(1), E(0) #3433560