The B$-$DNA structure found in solution is a

A$.$ right$-$handed double helix of antiparallel chains $(11$bp$/$turn $).$

B$.$ left$-$handed double helix of antiparallel chains $($~ $10$bp$/$turn $).$

C$.$ right$-$handed double helix of antiparallel chains $($ ~ $10$ bp$/$turn $).$

D$.$ left$-$handed zig$-$zag helix of antiparallel chains $(12$ bp$/$turn$).$

E$.$ right$-$handed double helix of parallel chains $($~ $10$ bp$/$turn$.$