As per NBC 2005, under requirements of parts of buildings, what is the minimum area and width of a habitable room, when there is only one room?

A

Area 7.5 sqm, width 2.5 m

B

Area 9.5 sqm, width 2.4 m

C

Area 10 sqm, width 3 m

D

Area 12 sqm, width 2.5 m