Identify the microbes producing commercially important organic acids and enzymes from the given options: (A) Trichoderma polysporum (B) Streptococcus (C) Clostridium butylicum (D) Aspergillus niger Choose the correct answer from the options given below:

(A), (B) and (C) Only (A), (B) and (D) Only (A), (B), (C) and (D) (B), (C) and (D) Only

(B), (C) and (D) Only

The correct answer is Option (4) → (B), (C) and (D) Only