单项选择题

经过辊道、冷床、移送机和运输机等设备的人行通道，应修建天桥，桥宽不小于()m，两侧设不低于10.5m的防护栏杆。
A.0.1
B.0.2
C.0.8
D.0.6

A.5m的防护栏杆。
A.0.1
B.0.2
C.0.8
D.0.6

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