Assize courts differ from other French courts because they

I go with "B" .. lets see other postings

Assize courts differ from other French courts because they are composed of a presiding judge and two judges additionally coming from either that court or one sitting with nine jurors - ordinary citizens whose names are drawn by lot from the electoral rolls.

A. because they are composed of a presiding judge and two judges additionally UNREQUIRED ADDITIONALLY
B. because they are composed of a presiding judge and also two other judges
C. because they are composed of a presiding judge and also of two other judges UNECESSRY USE OF "OF"
D. in that their composition is of a presiding judge and two other judges REASONING SHOULD START WITH CONJ LIKE "BECAUSE"
E. in that they are composed of a presiding judge and two other judges