人身保险商品供应方是在保险市场上提供各类人身保险商品，承担、分散和转移他人风险的各类保险人。我国的人身保险商品供应方主要包括（ ）。①人寿保险公司 ②养老金公司 ③健康险公司 ④经营短期健康险和意外伤害险的财产保险公司

A．①②④

B．①③④

C． ②③④

D．①②③④

— Could you tell me_____ ?              

— About half an hour.

A．how long it takes to walk to the Science and Technology Museum from school

B．how long it took to walk to the Science and Technology Museum from school

C．how far was it to walk to the Science and Technology Museum from school

D．how far it was to walk to the Science and Technology Museum from school