The project, ______t the end of 2008, expnded the city’s telephone network to cover 1,000,

000 useThe project, ______t the end of 2008, expnded the city’s telephone network to cover 1,000,000 users.ccomplished B．beingccomplished C．to beccomplished D．hving beenccomplishedA．accomplishedB．being accomplishedC．to be accomplisheD．having been accomplished