Stop killing this kind of birds!They _______.A.are dying out B.are dying down C.have died out D.have died off

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Stop killing this kind of birds!They _______.A.are dying out B.are dying down C.have died out D.have died off

Stop killing this kind of birds!They _______.A.are dying out B.are dying down C.have died out D.have died off
Stop killing this kind of birds!They _______.
A.are dying out
B.are dying down
C.have died out
D.have died off

Stop killing this kind of birds!They _______.A.are dying out B.are dying down C.have died out D.have died off
c意思是 已经快濒临灭绝了

表示虽然很少但还是有