【单选题】{ 现有类的定义如下: class Person{} class Student extends Person{} class Teacher extends Person{} class Box{} class Infor{ Infor(T a){ System.out.print(a); }} 则下面语句错误的是( ) }
A.
Infor> t =new Infor ("hello");
B.
Infor extends Person> t1 = new Infor (new Teacher());
C.
Infor super Person> t2 = new Infor (new Person());