The correct answer is: D. Bhumisparsa Mudra
Bhumisparsa Mudra is a gesture of calling the Earth to witness, which is the gesture of Buddha as depicted in his first sermon. It is made by touching the earth with the right hand, while the left hand rests in the lap. This gesture symbolizes the Buddha’s victory over Mara, the demon of temptation.
Abhaya Mudra is a gesture of fearlessness, which is made by raising the right hand with the palm facing outward. This gesture symbolizes the Buddha’s protection of his followers.
Dhyana Mudra is a gesture of meditation, which is made by placing the hands in the lap, with the right hand resting on the left hand and the thumbs touching. This gesture symbolizes the Buddha’s state of deep concentration.
Dharmachakra Mudra is a gesture of turning the wheel of dharma, which is made by holding the right hand up in the air with the palm facing outward. This gesture symbolizes the Buddha’s teaching of the dharma.