The correct answer is: A. Nepal
Uttar Pradesh is surrounded by Nepal in the north. It is also surrounded by the states of Uttarakhand, Himachal Pradesh, Haryana, Delhi, Rajasthan, Madhya Pradesh, Chhattisgarh, and Bihar.
Nepal is a landlocked country in South Asia. It is bordered by China to the north and India to the south, east, and west. Nepal is a unitary parliamentary republic with a population of over 29 million people. The capital and largest city is Kathmandu.
Uttar Pradesh is the most populous state in India, with a population of over 200 million people. It is located in the northern part of the country, and is bordered by the states of Uttarakhand, Himachal Pradesh, Haryana, Delhi, Rajasthan, Madhya Pradesh, Chhattisgarh, and Bihar. The capital of Uttar Pradesh is Lucknow.