Context: Brown rats eat plant matter, such as leaves, stems, and seeds. They eat by biting off small pieces at a time, or gnawing. The rat's mouth is adapted for gnawing.
Figure: brown rat.
Which animal's mouth is also adapted for gnawing?
A. cougar
B. Podolsk mole rat
From the given choices, choose the correct answer and respond with the letter of that choice.

B