Which of the following statement regarding tandem skydiving is correct? ( )

A.Skydivers do not need to be aware whether they have any underlying medical conditions prior to the jump.

B.In terms of landing, you should lift your legs up to ensure your instructor’s legs touch down first.

C.The tandem parachute system only has one parachute.

D.In tandem skydiving, skydivers jump alone from planes.

正确答案：In terms of landing, you should lift your legs up to ensure your instructor’s legs touch down first.