Spinal cord extends from the foramen magnum at the base of the skull to the L1/L2 vertebra where it terminates as the
Conus medullaris (medullary cone)
Choroid plexus
Coccygeal vertebra
Epiduramater
As we have learnt:
Spinal Cord: Location
The spinal cord extends from the foramen magnum at the base of the skull to the L1/L2 vertebra where it terminates as the conus medullaris (medullary cone). Hence, the correct answer is option a.