— How long has this bookstore been in business?

— _____ 1996. [ ]

A. After

B. In

C. From

D. Since

男性，41岁，骑车与汽车相擅跌倒，右手撑地，随后腕部肿痛，活动障碍，检查后初步诊断为腕舟状骨骨折。

如果腕关节正侧位X线片未见明显异常，那么下列哪一项检查对确立诊断最为简单适用（）

A.腕关节分层摄片

B.腕关节舟状骨轴位X线片

C.腕关节CT

D.核素骨扫描

E.MRI