Which is true of the thoracic sympathetic trunk

• A. Passes into the abdomen behind lateral arcuate ligament
• B. Greater splanchnic nerve comes from 3rd to 7th cervical ganglia
• C. 1st thoracic ganglion often fuses with the inferior cervical ganglion
• D. crosses 1st rib lateral to the superior intercostals artery
• E. gives fibres to the oesophageal plexus