Jim 在英语考试中表现不好，很糟糕，又感到孤独，请写一封信对他进行开导。内容包括：

①对自己有信心；②别沉默，多与人交流；③更加努力学习；④参加各种活动；⑤笑对生活等

 Dear Jim ,                                                    

      I’m sorry to hear that                                  

Yours,

Kangkang

I ______ the poor rabbit,but I didn't have the right drugs with me at that moment.[ ]

A. saved     

B. had saved  

C. could save    

D. could have saved