以下选项中,与其它三项功能不同的是( )
A . maxv = a if b > maxv: maxv = b if c>maxv: maxv = c
B . if a>b and a>c: maxv = a elif b>c: maxv = b else: maxv = c
C . if a>b: maxv = a else: maxv = b if c > maxv: maxv=c
D . If a >b and a >c: maxv = a if b>a and b > c: maxv = b ifc>a and c>b: maxv = c
答案:D