单选题：new和delete运算符正确的使用是（ ）

new和delete运算符正确的使用是（ ）



A.c++
int* p=new int[10];
delete p;

B.c++
int* p=new int(10);
delete []p;

C.c++
vector<int>* v=new vector<int>(10);
delete v;

D.c++
int a[]={1,2,3,4};
delete []a;



answer：C