Concept:The plural of words ending in a vowel (like 'o') often simply adds 's'.Explanation:The word 'kilo' ends in the vowel 'o'.Most such nouns form their plural by adding only 's', not 'es'.For example: 'photo' becomes 'photos', and 'kilo' becomes 'kilos'.Options A (kiloes), C (kilose), and D (kiloce) are incorrect spellings.Only option B follows the correct rule.Answer:B. kilos