The correct answer is: D. Lumbini
Lumbini is a town in the Lumbini Zone of Nepal. It is situated in the Terai region, in the foothills of the Himalayas. Lumbini is the birthplace of Gautama Buddha, the founder of Buddhism. The Lumbini Garden, a UNESCO World Heritage Site, contains a number of sacred Buddhist monuments, including the Maya Devi Temple, which marks the spot where Buddha was born.
Kusinara is a town in the Indian state of Uttar Pradesh. It is located on the banks of the Ganges River, about 100 kilometers (62 mi) north of Varanasi. Kusinara is the site of the Mahaparinirvana, the death of Gautama Buddha.
Sarnath is a town in the Indian state of Uttar Pradesh. It is located about 10 kilometers (6 mi) from Varanasi, on the banks of the Ganges River. Sarnath is the site of the Deer Park, where Gautama Buddha gave his first sermon after his enlightenment.
Bodh Gaya is a town in the Indian state of Bihar. It is located about 100 kilometers (62 mi) south of Patna. Bodh Gaya is the site of the Bodhi Tree, under which Gautama Buddha attained enlightenment.