Which of the following sentences support the topic sentence? Check all that apply. Plans to expand Toronto subways have continually stalled in recent years. Toronto's transit system is already very expensive to ride. Environmental groups point out that subways take too many resources to build, while light rail can serve more riders with the same amount of time and funds. Developing new subway plans takes a long time, and elections can reset all the work completed, as new politicians mean new perspectives on transit. Subway lines cost about three times as much as light rail, making some politicians avoid them