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、住房贷款税收优惠促进住房投资和经济持续发展，这种制度已扎根。
C、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。
D、住房贷款税收优惠制度已扎根，这种制度促进住房投资和经济持续发展。
【正确答案】：A