Cross$-$sourcing enhances technological skills.

B$.$

$$Cross$-$sourcing describes suppliers who become part of a company coalition.

C$.$

$$Cross$-$sourcing uses one supplier for a component and a second supplier for another$$ component, where each supplier acts as a backup for the other.

D$.$

$$Cross$-$sourcing develops the ability to produce goods or services previously purchased or actually buying a supplier or distributor.