Water pollution, together with old tins and other forms of garbage,（）many problems in our large, industrial city today.

A. Because it’ s cheaper.
B. Because it’ s safer.
C. Because it’s faster.
D. Because it’s earlier.

A. The woman can see the island.
B. It’ s too foggy to see the island now.
C. It’ s clear where the lawn has been raked.
D. He would like to see the island.