all living things,_____,couldn't live without air and water A whether they are animals or plants B

问题描述:

all living things,_____,couldn't live without air and water A whether they are animals or plants B
all living things,_____,couldn't live without air and water
A whether they are animals or plants B not only animals but also plants
C no matter what they are animals or plants
为什么选A

这样来看. Whether they are animals or plants,all living things couldn't live without air and water.