For Five Years, California-Based ExPro Communications Had Retained a Firm

For five years, California-based ExPro Communications had retained a firm in the Philippines to handle its phone-based customer support. However, to address quality and cost control problems, ExPro retained another California-based firm to provide these services instead. This change is an example of

A) offshoring.
B) outsourcing.
C) inshoring.
D) insourcing.
E) offsourcing.