In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: medicine is used for curing people when they are sick, Fact2: Antibiotics are powerful medicines used to treat bacterial infections., Question: Antibiotics can cure what types of sickness? (A) inherited antigens + antibody (B) occurs over a wide range (C) measles (D) bacterial infections (E) non-bacterial prokaryotes (F) infectious laughter (G) prokaryotic cells (H) Lymphocytes
D