Hey there,
Acrid, piercing, acute, and keen are all synonyms of the word pungent. The word pungent id an adjective and based on my research, this word means "having a sharp and strong taste of smell".
~Jurgen
1:b
2:d
3:Oooo I can't answer this one without context
4:b
That would be false. You don't want too many quotes
I am pretty sure it is D but not 100% sure
