The dynasty responsible for the construction of the magnificent temples at Belur and Halebidu:

Chalukyas of Badami
Hoysalas
Rashtrakutas
Vijayanagara

The correct answer is B) Hoysalas.

The Hoysalas were a Hindu dynasty that ruled over parts of southern India from the 11th to the 14th centuries. They were known for their patronage of art and architecture, and their temples at Belur and Halebidu are considered to be some of the finest examples of Indian temple architecture.

The Chalukyas of Badami were a Chalukya dynasty that ruled over parts of southern India from the 6th to the 8th centuries. They were known for their military prowess and their patronage of art and architecture. The Rashtrakutas were a Chalukya dynasty that ruled over parts of southern India from the 8th to the 10th centuries. They were known for their military prowess and their patronage of art and architecture. The Vijayanagara Empire was a Hindu empire that ruled over parts of southern India from the 14th to the 16th centuries. They were known for their military prowess and their patronage of art and architecture.

The Hoysala temples at Belur and Halebidu are located in the modern-day state of Karnataka, India. They are both UNESCO World Heritage Sites. The temples are built in the Hoysala style of architecture, which is characterized by its intricate carvings and sculptures. The temples are dedicated to the Hindu gods Vishnu and Shiva.

The Hoysala temples at Belur and Halebidu are some of the finest examples of Indian temple architecture. They are a testament to the artistic and architectural achievements of the Hoysala dynasty.