Which type of array is automatically sized and can dynamically manage elements?

The correct choice refers to an array that can dynamically manage its size and adapt as elements are added or removed. This is typically associated with concepts related to dynamic arrays or structures that handle resizing automatically to accommodate changes in the number of stored elements.

A regular array, in contrast, has a fixed size defined at the time of its creation, meaning it cannot resize itself during execution. If you need more space than initially allocated, you would need to create a new array and copy the old contents over. This limits flexibility in memory usage.

A literal array refers to arrays that are initialized with a set of values but does not imply dynamic sizing. They also have a fixed size based on the number of items defined at creation.

A nested array is an array that contains other arrays as its elements. While this allows for more complex structures, the sizes of the nested arrays are still determined at the point of creation and do not automatically resize themselves.

Thus, the concept of an automatically sized array that dynamically manages its elements aligns best with the description provided in the correct answer.