Refer to the exhibit.

<errors xmlns="ur1:ietf:params:xml:ns:yang:ietf-restconf"> <error> <error-message>End-of-file reached in XML stream</error-message> <error-path>/ietf-interfaces: interfaces/interface=GigabitEthernet2</error-path> <error-tag>malformed-message</error-tag> <error-type>application</error-type> </error> </errors>

An engineer is using XML in an application to send information to a RESTCONF-enabled device. After sending the request, the engineer gets this response message and an HTTP response code of 400. What do these responses tell the engineer?

A.	The Accept header sent was application/xml.
B.	POST was used instead of PUT to update.
C.	The Content-Type header sent was application/xml.
D.	A JSON body was used.