Answer:
A) As opposed to.
Step-by-step explanation:
'As opposed to' is a signal word that represents the compare-contrast structure of the sentence. When you compare two people, item or ideas, then signal words denotes the comparison and contrast of these two things.
The other comparison-contrast signal words are and, less, either, even, as much as, then, like, different from, analogous to, better, more than, etc.
Trying to use the signal word 'as opposed to' in a sentence, “The current car model is great as opposed to the last year's model”.