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

医学生的学习方法，应除外（）。

A.要充分利用现代科学手段

B.结合神经系统主要解剖生理和病理

C.以研读参考书为突破口

D.联系症状学和临床实际

E.采取综合分析和整体观点，逐步提高临床技能