Sam's Boss Tells Him, "Sam, You're Still New to Management

Sam's boss tells him, "Sam, you're still new to management, especially people management. Always remember that your people can really deliver a competitive advantage when

A) their talents can be combined rapidly to work collaboratively on new assignments."
B) they do not provide something unique to customers."
C) they are easy to imitate."
D) they can increase costs."
E) they cannot be trained."