线束布置时，线束与边角、管路的间隙确保在（）以上。
A.5mm
B.10mm
C.15mm
D.20mm
参考答案：A
More and more Chinese people follow the practice ______ they will travel to various scenic spots to enjoy the scenery in their leisure time.
A．whether
B．which
C．where
D．that
