Identify the correct statements w.r.t. antibiotics

$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I

• A

  $(i)$ and $(ii)$

• B

  $(i)$ and $(iii)$

• C

  $(ii)$ and $(iii)$

• D

  All are correct