प्रत्येक वाक्य के नीचे दिए गए वाक्यांशों में से कौन सा वाक्यांश बोल्ड टाइप में छपे वाक्यांश को प्रतिस्थापित करना चाहिए ताकि वाक्य व्याकरण की दृष्टि से सही हो जाए?
It $was \,until\, many \,years$ later that yoga became popular throughout the world.

• A
  was many years
• B
  was till many years
• C
  was not until many years
• D
  was not many years later