The correct answer is A) asthenosphere.
The layer of the Earth that is responsible for moving the lithospheric plates is the asthenosphere.
When we are studying Geography, we learn about the Earth's crust. One of the important elements of the Earth that we learn is the lithospheric plates that move through the plasticine mantles. Impressive, isn't it? How these large plates move! Lithospheric plates are 60 miles long average and are composed of continental crust.