【单选题】
A <{p}><{font _mstmutation="1" _msttexthash="3222739" _msthash="475"}>①、②;<{/font}><{br/}><{/p}>
B <{p}><{font _mstmutation="1" _msttexthash="3629704" _msthash="351"}>.①、③;<{/font}><{br/}><{/p}>
C <{p}><{font _mstmutation="1" _msttexthash="3222947" _msthash="523"}>②、③;<{/font}><{br/}><{/p}>
D <{p data-we-empty-p="" _msttexthash="6831448" _msthash="307"}>.①、②、③<{/p}>
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