How Does the Torah Handle the Issue of Slavery

Multiple Choice

How does the Torah handle the issue of slavery?

A) with detailed regulations about the maximum length of time a master is allowed to keep the slave,what to do if the slave wants to be with his family but they are also slaves,the differences regarding Hebrew or Gentile slaves,etc.
B) with outright condemnation
C) delicately,with implicit assumptions about the "natural order" of things
D) by ignoring the subject