663.On July 5,violent crimes of beating,looting and burning in Urumqi of Xinjiang broke out,______ 156 innocent people and with more than 1080____.
A.killed;injured
B.killing;injured
C.killed;injuring
D.killing;injuring
664.Walter offered us a lift when he was leaving the office,but our work ____,we refused his offer.
A.not finishing
B.had not been finished
C.not having finished
D.not finished