The correct answer is: D. Gandhara
Gandharan art is a style of Buddhist art that developed in the Gandhara region, which is now part of modern-day Afghanistan and Pakistan. It is characterized by its use of Greco-Roman artistic elements, such as the depiction of the Buddha in human form. The two colossal images of the Buddha at Bamiyan are an example of Gandharan art.
Early Mathura art is a style of Indian art that developed in the Mathura region, which is now part of modern-day Uttar Pradesh. It is characterized by its use of indigenous Indian artistic elements, such as the depiction of the Buddha in a non-human form. The Mauryan art style is a style of Indian art that developed during the Mauryan Empire (322-185 BCE). It is characterized by its use of simple, geometric forms and its emphasis on symmetry. The Gupta art style is a style of Indian art that developed during the Gupta Empire (320-550 CE). It is characterized by its use of rich, vibrant colors and its emphasis on detail.
The two colossal images of the Buddha at Bamiyan were carved into the side of a cliff in the Bamiyan Valley in Afghanistan. They were created in the 6th century CE and are the largest standing Buddha statues in the world. The statues were destroyed by the Taliban in 2001.