Is a set of elements of the same type in which the elements are added at one end.
a.
hash table
b.
tree
c.
queue

queue

Explanation:

queue is the data structure which perform the operation in specific order.

It follow the order first in first out (FIFO). The element is insert at the rear end and deleted from the front.

So, the element is added only the one end.

Tree is a hierarchical structure, their is not one end which used to insert the element.

Hash table also not having single end for insert the element.

Therefore, the answer is queue.