Sid is seriously ill, and his doctor has warned him that his chances of survival are not good. when sid's wife visits him in the hospital, sid tells her that he is feeling much better and expects to be home in a couple of days and back to work in a matter of weeks. according to kübler-ross's model of dying, sid is in which stage of the dying process

According to Kubler-Ross's theory of the five stages of dying, Sid is in the denial stage.  

Denial is the first stage individuals go through when they find out that they are dying. Denial serves as a coping mechanism where individuals are in shock and refuse to believe that they do not have much longer to live. In this stage, individuals essentially refuse to accept their impending death.

Ithink the answer you are looking for is (b).