Given below in the diagram of bacteriophage. In which one of the options all the four parts a, B , C and D are correct ?
A. `{:(A,B,C,D),("Sheath","Collar","Head","Tail fibres"):}`
B. `{:(A,B,C,D),("Head","Sheath","Collar","Tail fibres"):}`
C. `{:(A,B,C,D),("Collar","Tail fibres","Head","Sheath"):}`
D. `{:(A,B,C,D),("Tail fibres","Head","Sheath","Collar"):}`
