Diagrammatic sectional view of seminiferous tubule is given below. Correctly identify labelling A to D:
A. `{:(,A,B,C,D),(,"Primary spermatocyte","Spermatid","Sertoli cells","Spermatogonium"):}`
B. `{:(,A,B,C,D),(,"Spermatid","Primary spermatocyte","Sertoli cells","Spermatogonium"):}`
C. `{:(,A,B,C,D),(,"Spermatid","Primary spermatocyte","Leydig cells","Spermatogonium"):}`
D. `{:(,A,B,C,D),(,"Sertoli cells","Primary spermatocyte",""Spermatid cells"","Spermatogonium"):}`
