Paul walks at a constant rate for 80 minutes every day in the same track. How long is the track?
I. Paul began walking at 5.00 a.m yesterday.
II. Paul walked 5km by 5.40 a.m. and 8 km by 6.04 a.m. yesterday.

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.