What is the first term of the Geometric Progression $$t_1, t_2, t_3 ..... ?$$
I. $$t_4 : t_3 = 2$$
II. $$t_5 = 64$$

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 statements alone is sufficient.

D

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