What is a good indication of a probability generating function (PGF)?

What is a good indication of a probability generating function (PGF)?

• A. A summation of a PDF being multiplied by something to the power of the index
• B. A simple algebraic expression with no index terms
• C. A product of probabilities with the index in the exponent of the variable
• D. A CDF evaluated at integer values

Answer: (A)