D Logo Project

Hello to everyone I am presenting to you my new letter D logo design.My question for you is:which logo for you is the best A,B or both? Let's go to hear your answers and thoughts and the choosen letter D logo mark will be shotted soon
Some informations about this logo:
The logo mark is named double N
It is designed at 29th of August 2017
The type of this logo is monogram
The concept of this logo is D
The Logo is in original colours white and black
It is designed by me(Dragutin Nesek)
See you soon :D