Correct option is A
The correct answer is (a) b-c-a.
• Bharhut represents the earliest phase of Buddhist sculpture, dating to the 2nd century BCE (Shunga period), marked by aniconic representations of the Buddha.
• Sanchi Stupa developed mainly during the late 2nd–1st century BCE, showing refined narrative reliefs and symbolic depictions.
• Mathura flourished later, from the 1st century BCE to 2nd century CE, especially under the Kushanas, introducing anthropomorphic images of the Buddha.
Information Booster:
• Bharhut and Sanchi belong to the aniconic phase of Buddhist art.
• Mathura marks the iconic phase with human Buddha figures.
Additional Knowledge:
• Mathura used red sandstone and strong indigenous styles.
• Along with Gandhara, Mathura became a major Buddhist art centre during the Kushana period (1st–3rd century CE).