What is the name for an amphitheater-like hollow that forms at the head of a glacier...? Mcqs

What is the name for an amphitheater-like hollow that forms at the head of a glacier...?

(A) Kettle

(B) Cirque

(C) Saddle

(D) None of these

Source: This question is taken from the Assistant (Bs-16) Punjab Public Service Commission 2022