Choose the wrong statement from the given set of statements?

(a) All operators in C#.NET cannot be overloaded

(b) We can use the new modifier to modify a nested type if the nested type is hiding another type

(c) Operator overloading permits the use of symbols to represent computations for a type

(d) In case of operator overloading all parameters must be of different type than the class or struct that declares the operators

I got this question in an online interview.

I’d like to ask this question from Introduction of Overloaded Operators topic in division Object Oriented Concepts of C#