LTE中，RLC层接收端将接收到的RLCPDU重组并排序，生成RLCSDU，然后用（）方式将RLCSDU转发到上层

A.In-sequence Delivery

B.nonIn-sequence Delivery

C.通过高层信令配置为In-sequence Delivery

D.通过高层信令配置为In-sequence Delivery或nonIn-sequence Delivery