Which of the following is an advantage of using external sources for recruiting personnel as opposed to hiring internally?

Question $13$ options:

A$)$

Job candidates are less likely to have inaccurate expectations of an organization.

B$)$

The process of attracting, contacting, and evaluating potential employees is simpler.

C$)$

The pool of talent available is substantially larger.

D$)$

Employees hired from outside need much shorter orientation periods.