（）5.s__ngA.iB.nC.e

请选择ABC.W;S9C6V-p/M(S'C4W5@+b7o:[ 5. s __ ng-@5~)I0h3g+L)r8i2@5a8K)r

A. i-@5~)I0h3g+L)r8i2@5a8K)r

B. n-@5~)I0h3g+L)r8i2@5a8K)r

C. e-@5~)I0h3g+L)r8i2@5a8K)r