Article 75 Includes Among Its Provisions

Article 75 includes among its provisions:
1) Prime Minister is to be appointed by the President.
2) The Council of Ministers shall be collectively responsible the Lok Sabha.
3) The President may appoint a non-member as Prime Minister who must become a member of Parliament before the expiration of six months.
4) The Ministers shall hold office during the pleasure of the Prime Minister.

A) 1 and 2
B) 3 and 4
C) 2 and 3
D) 1 and 4