男，34岁，体检摄片如图所示，最可能的诊断是()

A．氟骨症

B．转移性骨肿瘤

C．骨样骨瘤

D．骨岛

E．骨斑点症

What is TRUE about hoisting operations（）.

A.Personnel may work beneath suspended loads，as long as they are alert and wear hard hats

B.If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach

C.If tag lines are used to control a suspended load，they should be secured to the deck

D.Personnel not involved in the hoisting operation should be kept clear of the transfer area