The correct option is
A Upper incisors
The risks of elephants are formed by the upper incisors.
The upper incisors are modified in such a way that they become large and have different structure and function than the rest of the teeth.
So the correct answer is ' Upper incisors'.
![1051726_1116564_ans_0db7714e220f495a8b8ef3d1775b8ff1.jpg](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/1051726_1116564_ans_0db7714e220f495a8b8ef3d1775b8ff1.jpg)