46.有如下嵌套的if语句:if(a<b)if(a<c)k=a;else k=c;elseif(b<c)k=b;else k=c;以下选项中与上述if语句等价的语句是( )。

A、k=(a<b)?a:b;k=(b<c)?b:c;

B、k=(a<b)?((b<c)?a:b):((b<c)?b:c);

C、k=(a<b)?((a<c)?a:c):((b<c)?b:c);

D、k=(a<b)?a:b;k=(a<c)?a:c;