Given is a diagram of a bacteriophage in which one of the options all the four parts, a, b, c, and d are correct.

Options

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"):}`

Answer

B