As the final exam is just around the corner,  all the students are           in reviewing the lessons carefully.  [ ]

A. occupied  

B. practising  

C. busying    

D. devoted

身倦乏力，少气自汗，腹痛拒按，舌暗且有瘀斑，辨证当为

A．气滞血瘀证

B．血瘀血虚证

C．气虚血瘀证

D．气血两虚证

E．寒凝血瘀证