What is the number of common tangents to the two circles?
I) The number of points common to the two circles is 0.
II) The radii of the two circles are in the ratio 3 : 4

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 the statements I and II together 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.