The scissors are 84-85mm long but they can be shortened to 46-47mm when（ ）.
A.folded B.folding it C.be folded D.it folded正确答案A
The scissors are 84-85mm long but they can be shortened to 46-47mm when（ ）.
A.folded B.folding it C.be folded D.it folded正确答案A
