In order to cope with drought in a certain area in the north, the water consumption of residents has been severely restricted. However, the current storage capacity of the reservoir is the same as that of the drought in the area 5 years ago. Since the water consumption of residents was not restricted at that time, it is not Should be restricted. Which of the following statements is true and would most seriously weaken the author's claims? ['Resident water consumption accounts for a large proportion of total water consumption.', 'Since the last drought, the local government has taken some water-saving measures.', 'Significant increase in population in the region over 5 years.', 'No new reservoirs have been built in the area since the last drought.']