i have not read lvalue is it there in syllabus and how to do this
They said "it can be a target" so anything except a constant can be a target.
So option C?
L-value- >the location of the memory (address ) where the expression is stored is called l-value .It can be appeared left side as well as right hand side of assignment operator .
ref.-https://www.geeksforgeeks.org/lvalue-and-rvalue-in-c-language/
c will be answer