Please answer the following multiple choice questions about the C language and data

What data does each block in the heap maintain in the header? O address of next node O block size and payload address O allocated state and payload address O block size and allocated state When an allocated block is freed, what data always changes within the block? O the block size O pointers to other blocks are added Onone the allocated bit When creating a linked list in C, each node contains data and: O the address of the head O the next node o the index of the next node O a pointer to the next node