Concept:The gestation period of a sow is about 115 days.Explanation:Conception date: June 5.Add 115 days to June 5.June (25 days remaining) + July (31 days) + August (31 days) = 87 days.Remaining days: 115−(25+31+31)=115−87=28 days.These 28 days fall in September.Therefore, the farrowing date is September 28 of the same year.Answer:C. 28th September