Though the President Is Not a Member of Parliament, He

Though the President is not a Member of Parliament, he performs certain functions as an integral part of the Parliament. Which are these?
I. He can dissolve the Lok Sabha.
II. He accords assent to the bills passed by Parliament.
III. He summons both Houses of Parliament.
IV. He orders elections to the Parliament when its term is over.

A) I, II, III and IV
B) I, II and III
C) I and II
D) II, III and IV