In the figure given below, what is the value of $$\alpha+\beta+\gamma+\delta$$ ?

I. $$\alpha + \beta + \gamma + \delta$$
II. $$\theta + \phi = 90^\circ$$

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 aloneis sufficient.

D

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