给出如下类定义： public class test {     test(int k) { } }如果要创建一个该类的对象，正确的语句是：A:test obj1 = new test(); B:test obj1 = new test(5); C:test obj1 = new test(‘5 ‘); D:test obj1 = new test(3.4); 答案: test obj1 = new test(5);