Kristine and Nicole are seeing therapists for their psychological problems. Kristine constantly ...

Kristine and Nicole are seeing therapists for their psychological problems. Kristine constantly thinks that she is stupid and worthless, and sometimes she has thoughts of killing herself. Nicole cleans her house so much that she doesn't have time to do anything else; she realizes that her house is already clean, but she can't stop herself. Their therapists are most likely treating Kristine for her ____ and treating Nicole for her ____.
 
  a. obsessions; obsessions
  b. obsessions; compulsions
  c. compulsions; compulsions
  d. compulsions; obsessions