MATCHING Each Item May Be Matched Only Once. Select the Best

MATCHING
Each item may be matched only once. Select the best match.
-an online real-time transaction-processing database that maintains information on millions of records

A) closed question
B) autism
C) confession
D) epilepsy
E) open-ended question
F) field inquiry
G) Terry stop
H) confidential informant
I) interview
J) NCIC
K) PIO
L) statement