Which command displays information about connected USB devices?

A.
cat /proc/hotplug/usb

B.
cat /proc/bus/usb/devices

C.
cat /proc/usb/devices

D.
cat /proc/usbbus/devices

E.
cat /proc/usbdevices

Explanation:
/proc/bus/usb An interface to USB devices provided by the post-2.3.15 Linux kernels.
Contains per-bus subdirectories with per-device files and a devices file containing a list of all USB devices. This interface is also support by some 2.2 Linux kernels.
Or Use the lsusb command