18.) Chengdu-J20 belongs to-
{"Image DocumentName": "18.) Chengdu-J20 belongs to-", "Image ImageDescription": "a) China. b) The Netherlands. c) U.S.A. d) Germany. Answer: a) China.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}