Which of the following statements are true about the domestic architecture in the 'Lower Town' at Mohenjodaro:

(A) Every house had its own bathroom paved with bricks, with drains connected through the wall to the street drains.
(B) There are no windows in the walls along the ground level.
(C) The main entrance does not give a direct view of the interior or the courtyard.
(D) Some houses have the remains of staircases to reach the fourth storey of the house.

Choose the correct answer from the options given below:

(A), (B) and (C) only

The correct answer is Option (2) → (A), (B) and (C) only

(A) Every house had its own bathroom paved with bricks, with drains connected through the wall to the street drains. Correct. 
(B) There are no windows in the walls along the ground level. Correct. 
(C) The main entrance does not give a direct view of the interior or the courtyard. Correct. 
(D) Some houses have the remains of staircases to reach the fourth storey of the house. Incorrect. Some houses have remains of staircases to reach a second storey or the roof.