MPLS is a label forwarding technology. The description of MPLS, which is wrong?

MPLS is a label forwarding technology. The description of MPLS, which is wrong?
A . The IP Routing Protocol module in the control plane is used to transmit routing information and generate routing information tables.
B . The Label Distributiion Protocol module in the data plane is used to exchange label information and establish a label forwarding path.
C . The data plane includes the Forwarding Information Base. When receiving normal Ir messages, if it is normal IP forwarding, check the IP routing table forwarding.
D . When receiving a packet with a label, if it needs to be forwarded according to the label, it is forwarded according to the label forwarding table. If it needs to be forwarded to the IP network, the label is removed and then forwarded according to the IP forwarding table.

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Answer: C