The correct option is C 8
The degree is the value of the greatest exponent of any expression (except the constant) in the polynomial.
Given,
7p2q3t−11p4t+2p8
There are 3 terms 7p2q3t−11p4t+2p8,so it is a trinomial and has variable p8 as the highest degree of all the terms.
Therefore,
Degree is 8