The following question consists of a sentence(s) with one blank only. You are given four words as answer choices and from the four choices you have to pick up two correct answers, either of which will make the sentence meaningfully complete.
Jane had a ________ sense of humor as she kept mocking everyone.
A) Colloquial
B) Tart
C) Sardonic
D) Forlorn
Let us first understand the meaning of the words:
To be colloquial means to be informal in everyday language.
To be tart means to have a bitter, sarcastic tone or way of speaking. $
To be sardonic means to be mocking or cynical.$
To be forlorn means to be pitifully sad and abandoned or lonely.$
The only apt options here that can make the sentence meaningful are tart or sardonic, viz, B and C.
Therefore, the correct answer is option 4.