It's pity that many wild animals are now in danger．Please have pity on them since they are part of our big family．（ ）
A．a；/B．a；aC．/；aD．/；/
It's pity that many wild animals are now in danger．Please have pity on them since they are part of our big family．（ ）
A．a；/B．a；aC．/；aD．/；/
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