PT - The sentence before the underlined part describes that part after the comma will provide something offending/contrasting about the senator which made voters to re-think there decision to support him.
Thus, we need to look for a contrast marker/element between the two points mentioned about the Senator.
A - Provides additional information thus wrong.
B - Incorrect comparison as being sexual offender doesn't always mean collecting pornographic books and art.
C - X and Y for comparison does
...
Thus, we need to look for a contrast marker/element between the two points mentioned about the Senator.
A - Provides additional information thus wrong.
B - Incorrect comparison as being sexual offender doesn't always mean collecting pornographic books and art.
C - X and Y for comparison does
...




