Verified Answer :

The answer is  A. pungent, meaning to have a sharply strong taste or smell. Bland means dull and boring, dank is cold and dark, and extraordinarily does not fit in the sentence because of the "ly" suffix.

Pungent means to have a very strong smell/taste, and as we know, spices makes food have a very strong smell and taste. 

These spices will gave your dish a very special pungent taste. 

Answer:   a. pungent