31. Which of the following is the best title for this passage?
(A) In Situ Powder Use in Crime Scene Investigations
(B) How to Identify a Criminal
(C) Amino Acids in Fingerprint Detection
(D) Fingerprint Composition and Detection
(E) Uses of Papillary Ridge Secretions
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統計: A(0), B(7), C(7), D(45), E(3) #820384
統計: A(0), B(7), C(7), D(45), E(3) #820384