In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
The scene will now shift to obtaining instruments of ratification to bring the agreement into force 2020, the first year of
its implementation. The agreement will enter into force with the ratification of 55 countries, whose aggregate greenhouse gas (GHG)
emissions at least 55 per cent of global emissions.
The agreement will enter into force with the ratification of 55 countries