The correct option is B Sarcolemma
The sarcolemma, also called the myolemma, is the cell membrane of a striated muscle fiber cell.
Neurilemma is the outermost nucleated cytoplasmic layer of Schwann cells that surrounds the axon of the neuron.
The axolemma is the cell membrane of an axon.
Myelin sheath is an insulating layer or sheath that forms around nerves, including those in the brain and spinal cord.