Severely abusive writing in journals

In these questions, out of the four alternatives choose the one which can be substituted for the given words/sentence.

Severely abusive writing in journals

(1) imaginary (2) speculative
(3) scurrilous (4) sarcastic

Answer :-

(3) scurrilous

Explanation :-

scurrilous (Adj.) : severely abusive writing in journals
imaginary (Adj.) : existing only in your mind
speculative (Adj.) : based on guessing/on opinions that have been formed without knowing all the facts
sarcastic (Adj.) : expressing or expressive of ridicule that hurts