________, he talks a lot about his favorite singers after class.
A:Quiet student as he may be
B:A quiet student as he may be
C:Be a quiet student as he may
D:Quiet as he may be a student
生命是“1”,事业、名誉、金钱、地位、友情等都是“1”后面的“0”,若没有前面的“1”,后面的“0”再多也变得毫无意义。这段话的意思是( )