Which of the following educational institutions is arranged in a chronological order?

• A. Takshashila, Kanchipuram, Valabhi and Nalanda
• B. Kanchipuram, Takshashila, Nalanda and Valabhi
• C. Valabhi, Takshashila, Kanchipuram and Nalanda
• D. Takshashila, Valabhi, Kanchipuram and Nalanda