Select the most appropriate option to fill in the blank.
One answer to the ________ of air pollution is to build a car that does not pollute.
- Aproblem
- Bbasis
- Cresolution
- Dmeasure
Solution & Step-by-step Explanation
Air pollution is a negative global issue, commonly described as a "problem". The context says "One answer to the problem...", which makes logical sense because you look for answers or solutions to a problem.