B )1.All the people became worried because A.they couldn't find the parachutes B.there weren't enough parachutes C.they couldn't jump out from the plane D.they saw the pilot jump out first 导航页导航页 ( )1. All the people became worried because . A. they couldn’t find the parachutes B. there weren’t enough parachutes C. they couldn’t jump out from the plane D. they saw the pilot jump out first B