The plural form of the work 'cactus' isAcactusesBcactusCcactiDcactuAnswer: C. cacti Read Explanation: Tooth - teethMan - menWoman - womenFoot - feetOasis - oasesGoose - geeseMouse -miceLoaf - loavesChild - childrenWolf - wolvesThief - thievesScarf - scarves Read more in App