Which one of the following is the correct sequence of passes when one travels along the Himalayas from Kashmir to Sikkim?

• A. Zozila-Nathula-Shipkila
• B. Nathula-Shipkila-Zozila
• C. Nathula-Zozila-Shipkila
• D. Zozila-Shipkila-Nathula