Click the Exhibit button.<br /> <img src="https://nimg.ppkao.com/2018-08/wenxueying/2018080110301452741.png?sign=bd1e0c3ef7798a7d99e95c16cfa5829f&t=62d0b950" /><br /> Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?()
A、s.defaultReadObject();
B、this = s.defaultReadObject();
C、y = s.readInt(); x = s.readInt();
D、x = s.readInt(); y = s.readInt();