The correct answer is A. Munger.
Bhimbandh Wildlife Sanctuary is located in the Munger district of Bihar, India. It is spread over an area of 1,000 square kilometers (390 sq mi). The sanctuary was established in 1976 to protect the endangered Bengal tiger. It is also home to a variety of other wildlife, including leopards, sloth bears, wild boars, and deer.
The sanctuary is a popular tourist destination, and offers a variety of activities, including trekking, camping, and bird watching.
Option B, West Champaran, is incorrect because Bhimbandh Wildlife Sanctuary is not located in West Champaran.
Option C, East Champaran, is incorrect because Bhimbandh Wildlife Sanctuary is not located in East Champaran.
Option D, Saran, is incorrect because Bhimbandh Wildlife Sanctuary is not located in Saran.