题目

计算： 答案：解：55⋅⋅⋅5︸2007个5×33⋅⋅⋅3︸2007个3 =55⋅⋅⋅5︸2007个5×99⋅⋅⋅9︸2007个9÷3 =55⋅⋅⋅5︸2007个5×（100⋅⋅⋅0︸2007个0-1）÷3 =（55⋅⋅⋅5︸2007个500⋅⋅⋅0︸2007个0-55⋅⋅⋅5︸2007个5）÷3 =55⋅⋅⋅5︸2006个544⋅⋅⋅4︸2007个45÷3 =185⋅⋅⋅185︸668个1851848148⋅⋅⋅148︸668个14815He is a man _______ China can be proud. [     ]A. of whomB. for whomC. whomD. that