PT 26 S3 Q4

The government has spent heavily to clean groundwater contaminated by toxic ... ...

The proposal about how the government’s budget should be redirected plays which one of the following roles in the argument?
(A) It represents an unsupported speculation.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Method/Function" Questions, Set 2 - Func