设b和c分别是先后抛掷一枚骰子得到的点数，则在先后两次出现的点数中有5的条件下，b＞c的概率为______．

0ur starboard derrick boom of hatch No.4 is baddly cracked（）that it has become entirely useless.

A.at its goose neck to such a extent

B.at it's goose neck to such an extent

C.at it's goose neck for such a extent

D.at its goose neck to such an extent