定义类如下：class Hello():def __init__(self,name):self.name=namedef showInfo(self):print(self.name)下面代码能正常执行的 ( )

A. h = Helloh.showInfo()
B. h = Hello()h.showInfo('张三')
C. h = Hello('admin')h.showInfo
D. h = Hello('张三')h.showInfo()