已知int *p1=new int(3); int *p2=new int[3];，则下列语句中，能够正确释放p1和p2所指内存空间的选项包括（    ）。
A、delete []p1; delete []p2;
B、delete []p1; delete p2;
C、delete p1; delete []p2;
D、delete p1; delete p2;