【C3】A．henceB．yetC．sinceD．that

【C3】A．that wheneverB．whetherC．that thoughD．since

【C5】A．neverB．yetC．alreadyD．since

【C3】A．asB．soC．suchD．that

【C3】A．AlthoughB．AsC．BecauseD．Now that

【C3】A．BecauseB．AsC．SinceD．Although

【C3】A．whicheverB．whateverC．whichD．that