With respect to the ascending pathways of sensation within the spinal cord:

• A. the ??? columns connect with the medial branches (crosses midline)
• B. the central spinothalamic tract carries pain/temp fibres
• C. the lateral spinothalamic tract has small fibres medially
• D. gracile fasiculatus contains fibres from thoracic and cervical nerves
• E. proprioception is transmitted in the lateral spinothalamic tract