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【单选题】
如p-V图中所示，一定量的理想气体经历a→b→c过程，在此过程中气体从外界吸收热量Q，系统的内能变化为∆E，则下列表述正确的是哪一项。（ ）【图片】A.
Q>0, ∆E>0
B.
Q<0, ∆E>0
C.
Q<0, ∆E<0
D.
Q>0, ∆E<0< /div>
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