With a travelling speed of up to 350 kilometres per hour, the railway to be built between Beijing and Shanghai _______ the journey time from 12 hours to 5 hours．
A．cutsB．will cutC．is cuttingD．has cut
B
考查時態(tài)。句意“將要被建的北京至上海的鐵路，時速達350Km/時，將把兩地的旅途用時從12小時縮短到5小時。”根據(jù)to be built可知，鐵路是將要建設(shè)，故用將來時。故選B。
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