Please help me

What is the counterclaim in this passage?
The city should not build a new bridge across the river. Bridges are
expensive and the city already has several bridges across the river. Of
course, building a new bridge would create a lot of new jobs. But
unemployment is at an all-time low.
A. Building a new bridge would create a lot of new jobs,
B. The city already has several bridges across the river.
C. Unemployment is at an all-time low.
D. The city should not build a new bridge across the river,