企源知识库

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
【题目解析】：剪刀长84-85毫米但它折起来可以缩短到46-47毫米。