Select the most appropriate set of words from the given choices to fill in the blanks.

He has a____tongue; his pinching sarcasm has______ everyone who has come into contact with him.

A. wanton, immunised

B. vitriolic, alienated

C. pungent, animated

D. recalcitaant, humanised

Please do not use chat terms. Example: avoid using "grt" instead of "great".