Suppose that a function dynamically allocates a block of memory with a local pointer variable $p$ pointing to the allocated block. Suppose further that there are no other pointers referencing that block of memory, and the function returns without doing a delete on $p.$ Then

a$.$ the program will suffer from memory leaks.

b$.$ none of these

c$.$ the compiler will automatically deallocate the memory pointed to by $p.$

d$.$ the returning function will throw the bad$\_$alloc exception.

e$.$ the pointer $p$ becomes a dangling pointer.