What is the probable cause of this issue?

Refer to the Exhibit. A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit.

What is the probable cause of this issue?
A . Another path needs to be used to allow full utilization of the bandwidth.
B . The array is not setup to use the correct multipathing policy.
C . There are no virtual machines on the host.
D . No traffic is being sent across it because a path failed.

Answer: D