—I heard that he grew worse after taking the medicine．

—Yes．He was ___________to it．                          [ ]

A. flexible          

B. allergic          

C. disappointed      

D. delicate

记账后在当年内发现记账凭证所记的会计科目错误，从而引起记账错误，可以采用（）。

A.划线更正法

B.红字更正法

C.补充登记法

D.相反符号登记法