If the median of the set S is 19, what is the range of S?
I) S={18, 28, 11, $$x$$, 15, y }
II) Arithmetic mean of the elements of S is 20

A

if the statement I alone is sufficient to answer the question.

B

if the statement II alone is sufficient to answer the question.

C

if both the statements I and II are sufficient to answer the question but neither statement alone is sufficient.

D

if both the statements I and II together are not sufficient to answer the question and additional data is required.