Câu hỏi
Choose the sentence which has the closest meaning to the original one.
Air pollution is increasing rapidly. Therefore, many cities are planting more trees.
A
Air pollution is increasing rapidly, although many cities are planting more trees.
B
Many cities are planting more trees, so air pollution is increasing rapidly.
C
Air pollution is increasing rapidly; therefore, many cities are planting more trees.
D
Many cities are planting more trees; however, air pollution is increasing rapidly.