【单选题】
A <{p}><{font _mstmutation="1" _msttexthash="3014518" _msthash="364"}>E、ν、P;<{/font}><{br/}><{/p}>
B <{p}><{font _mstmutation="1" _msttexthash="2913703" _msthash="351"}>l、A、P;<{/font}><{br/}><{/p}>
C <{p}><{font _mstmutation="1" _msttexthash="7233941" _msthash="288"}>l、A、E、ν、P<{/font}><{br/}><{/p}>
D <{p data-we-empty-p="" _msttexthash="2891031" _msthash="307"}>A、P。<{/p}>
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