45. A sales manager announces that all weekly sales reports must be submitted via email, rather than hardcopy. However, some of the veteran staff members are still putting their reports in the manager's office mailbox. When the sales manager decides to hold a meeting to explain to veteran staff members how electronic submissions will save time,paper, and money, she is using_as a means of overcoming resistance to change.
(A) negotiation
(B) participation
(C) division of labor
(D) education