Bacterial vaginosis typically presents with a grey white to green yellow discharge with a fishy odor — matching (IV).
Vaginal candidiasis causes a thick, white, curdy discharge — matching (III).
Chlamydia vaginal infection is known for producing a mucopurulent discharge — matching (I).
Trichomoniasis vaginalis causes a frothy, greenish yellow discharge — matching (II).
Therefore, the correct match is (A)-(IV), (B)-(III), (C)-(I), (D)-(II).