According to Classical Indian School of Logic (Nyāya) which of the following conditions must be fullfilled by a true middle term (hetu)?

(A) It must be found in minor term (pakṣa).

(B) It must be found in all similar instances.

(C) It should not be found anywhere where major term (sādhya) is absent.

(D) The minor term in which it is said to exist should not be impossible.

Choose the most appropriate answer from the options given below: