The preferential tax system for housing loans has taken root as

The preferential tax system for housing loans has taken root as a way of promoting housing investment and sustaining economy,
A、住房贷款的优惠税制作为促进住房投资、保持经济可持续发展，已深得人心。
B、住房贷款税收优惠制度作为促进住房投资和经济持续发展的一种方式落地生根。
C、住宅贷款的优惠税制有助于促进住宅投资和维持经济景气。
D、住宅贷款的优惠税制是促进住宅投资和维持经济景气的根本良方。
【正确答案】：A