Which abbreviation of housing rental advertisement is correct? A: 1br - 680ft2 - Priv Bdr/Shared Bth in 680 Sq Ft 2br Apt B: 4B, 2B/ 2F, Sp Thouse for Rent C: 1b - 680f2 - Priv Bdr/B in 680 Sq Ft 2br Ap D: 4B, 2B/ 2F, Sp TwinH for R