Trump has so far appointed 4 women to his cabinet and it's still possible there could be more. "No Cabinet has had more than four women serving simultaneously" ever. 

https://en.wikipedia.org/wiki/List_of_female_United_States_Cabinet_Secretaries

Singling Trump out as having "mostly men" in his cabinet is just another cheap shot from the crooked Dem water-carrying media who would never say that about Obama. A small example of why media are despised.