58. Which of the infrared regions is considered to be the fingerprint region?
(A) 4000cm-1 - 1000cm-1
(B) 4000μm - 1000μm
(C) 2200μm - 1000μm
(D) 1000cm-1 - 400cm-1

這題在考什麼觀念紅外光譜（IR Sp...