As a clincher, which method does the following concluding paragraph employ?If countries can invest in the development of technology for green fuels, and if car owners can think of alternatives such as car sharing, then some of these problems can be lessen

As a clincher, which method does the following concluding paragraph employ?If countries can invest in the development of technology for green fuels, and if car owners can think of alternatives such as car sharing, then some of these problems can be lessened.
A.Comment
B.Prediction
C.Recommendation
D.All of the above
正确答案：Recommendation