Which option indicates correct chronology of the changes occuring during transmission of nerve impulse ?

• A. Nerve fibre - depolarization - action polential - repolarization - activation of Na+ and K+ pump
• B. Nerve fibre - depolarization - action polential - activation of Na+ and K+ pump - repolarization
• C. Nerve fiber - depolarization - repolarization - action polential - activation of Na+ and K+ pump
• D. Nerve fiber - Activation of Na + and K+ pump - depolarization - repolarization -