问题：

[单选] In a switched LAN network, what is the Spanning-Tree algorithm used for?（）

A . It is used to provide a mechanism for routing updates in switched environments.
B . It is used to prevent routing loops in networks with redundant routes.
C . It is used to prevent switching loops in networks with redundant switched routes.
D . It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.
E . It is used to segment a network into multiple collision domains.
F . None of the above.
G . All of the above are functions of STP.