Which of the following is a reason to establish an intermediate staging base to support joint reception, staging, onward movement, and integration (JRSOI)? A. The physical infrastructure in the theater is sufficient to support JRSOI and does not require additional basing outside the region B. Provide secure lodgment to project the force for rapid delivery of combat power to an area of responsibility C. Establish bases to transition from inter-theater lift to intra-theater to lengthen the delivery time of combat forces