问题详情

What is NOT a suggestion made by Mr. Stevenson？
A．Thermostats should be set no higher than 68 degrees.
B．Windows, doors and anywhere air leaks in or out should be sealed.
C．Defective plumbing or dripping faucets should be repaired.
D．No more than 230 gallons of water should be used in winter months.请帮忙给出正确答案和分析，谢谢！