Explanation:

- Kardang Gompa: Your answer is option 2, Kardang Gompa, and this is the correct choice. It is noted for housing the largest collection of Kangyur and Tangyur texts. These are important Buddhist scriptures, with the Kangyur being the translated words of the Buddha and the Tangyur being commentaries and treatises on the teachings.

- Gemur Gompa: This monastery is known for its beautiful location and festivals but not specifically for the largest collection of Buddhist texts.

- Tayul Gompa: Known for its historical significance and stunning views, but not necessarily for having the largest collection of Kangyur and Tangyur.

- Sashur Gompa: Renowned for its architecture and spiritual teachings, but not for the largest collection of Buddhist scriptures.