Elephants have their own way to tell the shape of an object _ it is rough or smooth.A.that B.whether C.how D.what

Elephants have their own way to tell the shape of an object _ it is rough or smooth.A.that B.whether C.how D.what
Elephants have their own way to tell the shape of an object _ it is rough or smooth.
A.that B.whether C.how D.what

Elephants have their own way to tell the shape of an object _ it is rough or smooth.A.that B.whether C.how D.what
B

选B 大象有它们自己的辨别(tell)物体形状的方法--它是粗糙的还是光滑的。根据句意选择Bwhether，做题时注意句子意思的分析。

B
whether or 是。。。还是。。。
大象有它自己的方式来判断物体是粗糙还是平滑的。