Irina has asked her mom to reduce water consumption in their home. What is the BEST suggestion she might give her mother?

A. Flush the toilet twice to prevent pathogens from spreading.
B. Halt the spread of disease by scrapping unused food into the sink.
C. Water plants and trees using conserved water from other household tasks.
D. Prepare a bath as it does not use as much water as a shower.

C. Water plants and trees using conserved water from other household tasks.