Answer:
The answer is options A) and B) 
 A) learning the basic communication skills of the residents of the areas they are serving: 
 B) a multicultural clientele. 
Step-by-step explanation:
In crisis periods like the one we are currently experiencing as a result of the Covid-19 Pandemic, It is of utmost importance that the recruitment, screening, orientation, training, evaluation, and retention of crisis workers deal with the reality of: 
A) learning the basic communication skills of the residents of the areas they are serving: this procedure takes place during the orientation, training and evaluation stage.
 B) a multicultural clientele: The accurate knowledge of multi-cultural clientele guides the order of recruitment in the sense that, workers are properly assigned to the area that matches their experience, skill set and cultural inclination.