有下列程序: #include<iostream> Using namespace std; Class Amount{ int amount; public; Amount(int n=O):amount(n){} Int getAmount()const{return amount;} Amount &operator+=(AmountA) { D.amount
A.*this B.this C.&amount
【参考答案】
D 解析: 此题考查的是“+”运算符重载和this指针。语句amount+=a.amount;实现3和7的求和,......