A、<span style="line-height: 18.88888931274414px;">x%=(k%=5)</span>
B、<span style="line-height: 18.88888931274414px;">x%=(k-k%5)</span>
C、<span style="line-height: 18.88888931274414px;">x%= k-k%5</span>
D、<span style="line-height: 18.88888931274414px;">(x%=k)-(k%=5)</span>