女性，49岁。右肩痛，右上肢上举、外展受限8个月，无肩周红、肿、热等表现，疼痛可向右侧颈、耳、前臂及手放射。X线示：右肩关节间隙变窄，软骨下骨囊性变，关节边缘骨质增生。最可能的诊断是（　　）。

A.60%
B.70%
C.80%
D.90%

A．Graham never hesitates to help those in trouble.
B．Graham is always there for Fabian, no matter whether he is happy or sad.
C．Graham has just lost a game, but he tried to hide his sadness.

A．SecondaryNameNode
B．DataNode
C．TaskTracker
D．Jobtracker