running rigging leading aft from the masts
running rigging leading forward from the masts
standing rigging leading aft from the masts
standing rigging from the cross trees to the mast head
第1题：
Backstays are ______．
A.Running rigging leading aft from the masts
B.Running rigging leading forward from the masts
C.Standing rigging leading aft from the masts
D.Standing rigging from the cross trees to the mast head