How do nerve cells form different types of tissues?

A.
A group of these cells perform similar functions and become nerve tissue after information in the DNA of the nucleus tells the nerve cells to develop and perform special functions.

B.
A group of these cells perform similar functions and become nerve systems after information in the RNA of the nucleus tells nerve tissues how to develop and to perform special functions.

C.
A group of these cells perform similar functions and become nerve tissue after messages from the brain tell nerve cells how to develop and perform s

Question

How do nerve cells form different types of tissues?	
 
 A.
A group of these cells perform similar functions and become nerve tissue after information in the DNA of the nucleus tells the nerve cells to develop and perform special functions.
 
 B.
A group of these cells perform similar functions and become nerve systems after information in the RNA of the nucleus tells nerve tissues how to develop and to perform special functions.
 
 C.
A group of these cells perform similar functions and become nerve tissue after messages from the brain tell nerve cells how to develop and perform s