Which of the Following Is True of Supportive Leadership

Which of the following is true of supportive leadership? 

A)  ​It involves consulting employees for their suggestions and input before making decisions. 
B)  ​It involves setting challenging goals and having confidence that employees will achieve them. 
C)  ​It involves letting employees know precisely what is expected of them.  
D)  ​It involves being approachable and friendly to employees and treating them as equals.