The fact that Atticus refuses to fire Calpurnia for disciplining Scout proves her importance in the Finch family.
Because Jem and Scout do not have a mother of their own, Calpurnia best fills that role. She teaches them right from wrong and helps Atticus raise them into good adults.
Therefore Calpurnia is more than an employee -- she is a member of the family.
Its B, Because, Present perfect progressive is when you say this, jake has been playing. Past is definitely not, and if past is not it than d wouldnt be it.