为了保证软件的可维护性，需要做哪些质量保证检查？

A. 粮食作物一经济作物
B. 蔗一果一桑一鱼
C. 畜牧业一谷物生产
D. 农一林一牧一副一渔

A. . produce less melatonin.
B. sleep longer than decaf drinkers.
C. produce more urine at night.
D. .wake up every three hours.