It was the belief ____ Alex Haley could find his root in Africa ____made him decide to go to Zombia．

A．/, which

B．which, that

C．that ,which

D．that ,that

男，8岁，咳嗽、咳脓痰，背部肿痛。结合图像，最可能的诊断是()

A．化脓性脊柱炎

B．脊柱转移瘤

C．椎体压缩骨折

D．神经鞘瘤

E．脊椎结核