– Were you at school when I called you?

– Yes, I ________ in the library.

A. studied                      B. am studying                  C. was studying

精神科诊断思维方式最佳的是（）

A.横向诊断+纵向诊断

B.横向诊断

C.纵向诊断

D.个体化诊断

E.症状诊断