Poet laureates once served as courtiers to the royal family, composing

to give example we use such as, we never use like to give an example.
we can also use the constructon Such noun as......

(A) Incorrect Poet laureates once served as courtiers to the royal family, composing odes to preserve memories of significant occasions like Like is wrongly used as explained above

(B) correct Poet laureates once served as courtiers to the royal family, composing odes to preserve memories of such significant occasions as
This is correct it usessuch noun as construction correctly and the modifer composing .................... is correctly modifyng the preceding clause Poes laureates does the job of composing

(C) Incorrect Royal family courtiers once served as poet laureates who composed odes to preserve memories of significant occasions such as
Meaning change: royal family courties does not serve as poet laureates but poet laureats serve royal families at the same time now royal famaly now doesn't serve as ambassador............... bur the poet laureates does................. this change of meaning is unacceptable

(D) Incorrect Royal families once appointed poet laureates to serve as courtiers, composing odes to preserve memories of significant occasions such as
same as option C modifier composing.............. is also wrongly modifying the previous clause

(E) Incorrect Once royal families appointed poet laureates to serve as courtiers, composing odes to preserve memories of significant occasions like
same as C and A
Hence B