·Operating Hours: 6:00 am to 12:00 midnight daily. ·Fares: From SGD、0.90 SGD、1.80Exact Fare is required). You can ask the bus driver for the appropriate fare to your destination if you are unsure of how much to pay. MRT ·Operating Hours: 6:00 am to 11:45 pm daily ·Fares: From SGD、0.9 to SGD、3.00.A、stored value card, called the ex-link fare-card, can be purchased for SGD、15 at most MRT stations. The ex-link fare-card is also valid for use on public buses. Taxis ·Operating Hours: 24hours. ·ares: The initial flag-down meter fare is SGD、3.20, which covers the first kilometer. The fare then rises at SGD、0.20 for every 500 meters (up to 10 kilometers) and for every 250 meters (after 10 kilometers). SIA、Hop-on The SIA、Hop-on is a special tourist bus service that offers passengers unlimited air-conditioned rides around the city and to Sentosa Island Resort. The bus runs through the shopping, dining, cultural, and entertainment areas and stops at major shopping malls, hotels and landmarks. It also covers ethnic districts inChinatown, Little India andArab Street. Passengers may hop on and off the bus whenever they want.Buses on the city loop operate daily between 9:00 am and 7:30 pm at 30-minute intervals while the Sentosa shuttle runs from serious stops in town to Sentosa between 10:00 am and 6:00 pm. According to the passage, a total distance of 6 kilometers by taxi will cost you ______. A、SGD、19.2B、SGD、20.8 C、SGD、21.2 D、SGD、21.6