At a Large Law Firm, Therese Works Daily as an Administrative

At a large law firm, Therese works daily as an administrative assistant from 9:00 a.m. until 1:00 p.m., when she is replaced by Elita who works from 1:00 until 5:00 p.m. The arrangement Therese and Elita have at the law firm is known as

A) job enlargement.
B) job sharing.
C) job rotation.
D) job allocation.