The survivor said it was because of his strong determination _____ he survived the earthquake

A．that

B．what

C．how

D．why

男性患儿，5岁，因右肩部摔伤2小时就诊，哭闹，查体不配合，肩部无畸形，患儿不愿活动上肢，哪项诊断可能性最大（）。

A.肱骨髁上骨折

B.肱骨干骨折

C.臂丛神经损伤

D.桡骨小头半脱位

E.锁骨骨折